Tag Archives: Culture

Lunar Mythbusting

Tonight is October 8th, which has been declared International Observe the Moon Night (IOMN).  Personally, I would choose a date as close to September 13th as possible to take a jab at the late Gerry Anderson and his bit of lunar lunacy known as “Space: 1999”.  Yes, I know I missed that date as well on this blog, but I had other issues to deal with.  With IOMN clouded and/or rained out tonight for a large portion of the United States, I thought I would provide some educational lunar entertainment to make up for it.  So, I dusted off an article I wrote for the Asterism (AAI’s long-defunct newsletter) and I’m using it for material here.

Some years ago, I went to a convention and saw Dee Wallace, best known for playing the mom in E.T. The Extraterrestrial. She was quite nice and she was also there to push DVDs of “The Howling”, a werewolf movie she was in. I took the opportunity to explain to her that I didn’t find werewolf stuff too interesting due to my knowledge of the Moon and the fact that it exerts no strange influences. Dee agreed, but she said that the myths about the Moon were quite pervasive in popular culture, even after the Apollo astronauts walked on the Moon without anything strange happening to them. So, let’s take a detailed look at why the Moon, while interesting, is not mystical.

Time and Tides: People who believe in the mystical powers of the Moon often point out that it could exert its spooky actions through tidal forces. On the surface, this might seem reasonable. After all, anyone who has spent more than a few hours by the ocean or a bay has noticed that the water rises and falls due to tides. Some have argued that, since the ocean is water and people are mostly water in terms of composition, lunar tides should affect people and their behavior. They point to claims of increased weird behavior at times of full Moon and then the old stories always say that werewolves change from people to beasts at full Moon.

However, the “Full Moon effect” has been shown to be false by numerous statistical studies. Also, if one knows how tides work, it is easy to see that they cannot influence living beings.  Tides result when the side of an object nearest a gravity source experiences a greater pull than the opposite side does.  In the case of the oceans, the sea facing the Moon is about 8,000 miles closer to the Moon than the ocean on the opposite side of the Earth. Since the Moon is about a quarter of a million miles away, the diameter of the Earth is a measurable fraction of that distance and the ocean feels the effect of the difference.

Now, consider the case of a human being. To make things as fair as possible to the werewolf buffs, our example will be a player from the NBA who is seven feet tall. The difference in the pull of lunar gravity between the top of his head and the soles of his feet is so close to zero that it can be considered zero for any practical purpose. Even the varying distance of the Moon from Earth (the Moon’s orbit is slightly elliptical), while important for ocean tides, does not alter this conclusion.

It could be argued that tides do influence some living creatures since a number of sea animals lay eggs at times of very high tides. This is the result of their biological clocks, not lunar influence. And they are not infallible tide predictors as the large number of horseshoe crabs that die stranded on beaches each spring can attest to.

Blinded By The Light: Anyone who has been at an observatory on a public night during a full Moon knows it can appear very bright, especially through the telescopes. This brightness is deceptive. Actually the Moon reflects light about as well as the pavement of a road (an albedo of about 7%). It appears bright because the Moon is surrounded by nonreflecting space, so even a dark object like would appear bright. But that is not the whole story.

It is known that the full Moon appears about ten times as bright as it does at first or third quarter. Before people knew much about the Moon, this must have appeared strange. But there are two reasons for this effect. First of all, during full Moon, the Sun is overhead as seen from the lunar surface. There are no shadows. At other times, there are always some shadows formed by mountains and crater rims. But the other reason was only discovered after the Apollo missions returned lunar samples to Earth.

Most of the Moon is covered in a layer of dust, which is essentially lunar rock that has been pulverized by eons of micrometeorite impacts. When samples of this dust were studied on Earth, it was discovered that there were numerous tiny bits of glass in it. The glass formed as the impacts of micrometeorites melted little bits of surface material. The bits of glass give lunar dust a weak retroreflective property like those reflectors embedded in many roads. Due to this effect, the lunar dust actually reflects a bit more light towards Earth at full Moon.

No Cheese, Green or Otherwise: The final proof against strange lunar influence is the composition of the Moon itself. It is now widely believed that Moon formed as the result of a collision between Earth and a Mars-sized planetesimal in the early days of the solar system, which sent debris from the Earth’s mantle into space.

Because of this origin, only about a dozen minerals make up the Moon. Besides basalt and anorthosite (basic igneous rocks), most of these are oxides of iron, titanium, chromium, aluminum as well as some silicates, along with some minerals rich in potassium and rare earth elements. Recently, something new has been added to this list. In 1998, the Lunar Prospector probe found evidence of hydrogen-rich material in some permanently shaded craters near the lunar South Pole. While it could be buried water ice from ancient comet impacts, hydrated minerals and cometary hydrocarbons have not been ruled out. While this mix of minerals is interesting to those who want to build lunar bases, it is about as non-mystical as one can get.

As one can see, the Moon is an interesting place with great potential importance for humanity’s future. Now, isn’t this far more interesting and exciting than mysticism and werewolf stories?

Happy 50th Anniversary!

Thursday, September 8th, 2016 marks the 50th anniversary of a cultural milestone – “Star Trek” as the original series premiered on September 8th, 1966.  While this blog discusses issues of a scientific and/or historical nature, this anniversary was one of those occasions that cannot be ignored.

As most people, especially those intelligent folk who read blogs like this one, know, “Star Trek” followed the exploits of the crew of the Starship Enterprise and its womanizing egotistical captain James T. Kirk.  Despite not being terribly popular during its original network run, struggles with budgets, and other pains, the series became legendary.  This was in part due to its success in syndication, but it also was due to the writing, the characters, and the stories.  While the late Joseph Campbell (professor of Comparative Religion at Sarah Lawrence college and renowned expert on the connections between mythologies and religions) never mentioned “Star Trek” as far as I can determine, Casey Biggs (Damar on “Star Trek: Deep Space 9” and a fan of Campbell’s works) believes that the “Star Trek” franchise fills the function of a mythology in modern society (a system of stories that metaphorically explore universal truths).  This is probably the key to its grip on the public mind.

Before this gets too mythological, it should be noted that the “Star Trek” franchise was extremely influential on our society.  It is generally thought that the concept of the flip phone was inspired by the communicators from the original series.  Today, scientists who are working on handheld analyzers say they are inspired by the tricorders (very portable scanning devices) from the franchise.  And the people involved in research on artificial vision systems that promise to help blind people all say they found inspiration in the visor worn by Geordi LaForge, a blind character from “Star Trek: The Next Generation”.  Those who work on non-lethal weapon technology cite the phaser (the standard issue Starfleet weapon) as their ideal, since it could be set to stun enemies rather than kill them.

However, “Star Trek” has also inspired a number of scientific cul-de-sacs or outright dead-ends.  One prominent example is research into teleportation.  It is thought to have been inspired by the transporter used in the franchise, a device used to transmit matter (people, cargo, or whatever) from point A to point B.  The reason it was used in the series was not because people believed it would be developed in the future, rather it was because Gene Roddenberry wanted a way to get people from the Enterprise to a planet surface and could not afford to do special effects shots of the shuttlecraft transporting people to their destination.  But when people saw it on the show, many believed that if it was on “Star Trek”, it was in our future.  What real teleportation does is it merely transfers the quantum state of a particle to a similar particle some distance away.  While it is impractical for Trek-style uses, it is expected to play a part in quantum computing technology.

Another Trek-inspired false lead is warp drive.  Warp drive was how starships were able to travel throughout the galaxy in reasonable time scales without messy things like Lorentz contraction, time-dilation, and those other nasty relativistic effects that happen when one travels near the speed of light.  While the idea of a warp drive does not seem to contradict relativity and there is (if you accept cosmic inflation) one example of something that was similar to warp physics – the cosmic inflation that explains why the universe appears flat and also why there is so little variation across the Cosmic Microwave Background.  In that case, space itself expanded – for a very brief time – at speeds that would make the Enterprise-E (the latest version of the ship) look extremely sluggish.  Cosmic inflation was thought to be the result of processes associated with the Big Bang.

But this didn’t stop Mexican physicist Miguel Alcubierre from coming up with an idea for a warp drive to move starships.  However, Alcubierre found a problem that has persuaded most physicists that the idea of warp drive was crazy to begin with.  In the original equations, the energy required is truly enormous.  It would take energy equivalent to the entire mass of Jupiter (remember E=MC2?) to generate a tiny warp field.  And if it could be generated, it would be virtually impossible to control.  However, NASA scientist Harold White has picked up where Alcubierre left off and is studying the idea.  White claims that, if the shape of the warp field is modified, the power requirements are reduced to the energy equivalent of a ton of matter.  That is still quite a bit of energy.  White has also claimed that his tiny-scale experiments have gotten some results, though most people think that White was merely observing some kind of quantum phenomenon unrelated to what he is looking for.

Of course, there are the people who like “Star Trek”.  And to the surprise of some people, not all fans of the franchise are like those negative stereotypes seen on “The Big Bang Theory” (discussed in my earlier post about that program).  Among the people who like the Trek franchise are many NASA employees, most astronauts, many professionals from all walks of life, the late Dr. Martin Luther King, Jr. and even one head of state (King Abdullah II of Jordan).

Then there are some surprising folk who really liked “Star Trek”.  Nichelle Nichols, the actress who portrayed Nyota Uhura on the original series, was at a book-signing in London when an enormous man with a shaved head, numerous tattoos, and all the regalia of a skinhead walked into the store.  Even the security guards were frightened.  The man then said that he stopped by because he had a message for Nichelle.  He explained that he used to be a skinhead.  One night, while he was bored, he turned on the TV and a station was running a marathon of “Star Trek” episodes.  As he was watching, he noticed how the crew got along with one another and how they dealt with various moral issues.  He then decided that the skinhead life was not the way to go.  The man then thanked Nichelle for her work on the series and offered his help if she ever needed any assistance during her stay in London.

Naturally, when there is something that popular, there are always those to try to denigrate its positive contributions.  On top of the vast multitude of negative stereotypes of fans, there are incidents that are even uglier.  A few years ago, the weekend edition of “Good Morning America” did a story on research into visual prosthetics.  Some of you might remember from an earlier paragraph that almost every scientist in that field was inspired by Geordi LaForge and his visor.  Did the GMA story bring that up?  No, it didn’t.  Rather than crediting the correct inspiration, they tried to imply it was inspired by Steve Austin’s bionic eye on “The Six Million Dollar Man”.  Those of us who knew the truth were not taken in, but some people might have been.  Why did the folks at GMA do this?  One could argue they disliked the Trek franchise.  I suspect something more vile.  Steve Austin was portrayed by Lee Majors, a white actor.  Geordi LaForge was portrayed by the talented LeVar Burton, an African-American actor.  Was racism involved?  Given our society, it can’t be ruled out.

On a happier note, I have been fortunate enough to have met most of the surviving actors and actresses from Trek franchise as a result of my convention travels.  They are all interesting people and all deserve credit for being part of the success of the Trek franchise.  With the J. J. Abrams movies and their alternate take on the Trek universe, the upcoming “Star Trek: Discovery” series, as well as tons of fan-created stories, songs, etc., who knows what’s going to happen at the next milestone anniversary?  And what do you think of this magnificent franchise?

In honor of this occasion, I leave you with a video featuring one of the franchise’s most beloved characters – Montgomery “Scotty” Scott.  The video was released by Paramount shortly after James Doohan, the actor who created the character, passed away.

 

 

Going Buggy Over the Rio Games

Friday, August 5th marks the opening ceremonies of the Summer Olympic Games in Rio De Janeiro, Brazil.  This time around, the Games are quite controversial with allegations of corruption amongst the various contractors, incomplete work, the fact that this is taking place during a political coup in the host country, etc.  But one thing that is getting lots of press is also one of the smallest (literally) issues.

By now, most people have heard about the Zika virus.  It is mainly known from Brazil, though it has appeared in other parts of the world as well, is spread by mosquitoes and, in most cases, the symptoms range from none to rather minor.  That is if the victim isn’t a pregnant woman.  By processes that are poorly understood at present, the Zika virus can cause microcephaly (an abnormally small head due to an abnormally small and deformed brain).  Microcephaly is incurable and untreatable.  Naturally, this has caused a great measure of concern.  So much so that some athletes have bowed out of the Games (even male athletes who, last time I checked, can’t get pregnant).  Even TV networks have changed their plans with NBC replacing some of the female reporters they were originally going to send with Meredith Vieira and Hoda Kotb (that is not a typo – it is an issue of transliterating her Egyptian last name from Arabic writing to Western writing).

There is also some concern in the United States as the mosquitoes we have are capable of carrying the virus.  But what I think has the government in near panic mode is the fact that Zika is a nightmare for the right-to-life crowd.  For most other birth defects, they can argue that, with appropriate therapy, the victims can have some semblance of a life.  They also claim that future advances in fetal surgery and other medical technology can mitigate defects as well.  Not so with microcephaly.  That’s it.  Hence the pressure that is being exerted on the scientific community to derive some sort of method to combat Zika and its mosquito carriers.

At least one scientists claims they found a weak spot in the mosquito genome that would make it possible to wipe them out completely.  Then there is talk that a vaccine is being worked on.  However, given past history in humanity’s struggle to deal with mosquitoes, there is ground for skepticism.  Mosquitoes are highly adaptable and have a proven ability to acquire resistance to whatever insecticide or strategy we can throw at them.  And it does seem unusual that someone claims to be near to developing a vaccine for a virus that is little known.

If the effort to control Zika is as successful as the effort to control other mosquito-borne diseases, Zika is here to stay.  Since it mainly poses a threat to pregnant women, perhaps it might be a good idea to consider strategies from that angle.  Perhaps it might force people to actually put some thought into the idea of whether or not to have kids.  Currently, most people put more thought into choosing players for their fantasy sports teams than they do in reproduction.  There could be other changes in how people reproduce.  Can you think of some?

Of course it could be worse.  In Kurt Vonnegut’s book “Galapagos”, he postulated a microbe that destroyed the ovaries.  It spread throughout the world via air travel until the only group that wasn’t affected was a band of tourists in the Galapagos Islands (hence the title).  Cut off from the rest of the world due to the disease, the tourists are the last breeding set of human beings.  Over long spans of time, the humans gradually evolve into something resembling a very intelligent and dexterous seal.  The story was said to be inspired by Vonnegut hearing about the evolution of Darwin’s Finches (birds on the islands that evolved from a single group of birds blown to the islands in a storm).  Then there is the story and film “The Children of Man” which recounts how human reproduction ceases and the utter chaos that takes place when a pregnant woman is discovered.

While Zika is nowhere near as bad as its fictional counterparts, I think it may take some effort and time to come up with ways to bring it under some measure of control.

Is Resistance (to Light Pollution) Futile?

For the benefit of the few readers of this blog who may not be familiar with the term, light pollution is excessive and misdirected outdoor lighting that makes it difficult to impossible to observe objects in the night sky.

With the definition out of the way, some organizations such as the International Dark Sky Association and Globe at Night claim that their efforts to raise awareness of this issue have met with a measure of success.  While this may indeed be the case, I think the progress has been minimal.

One example concerns Earth Hour, which was from 8:30 PM to 9:30 PM on March 28th.  What is supposed to happen during Earth Hour is that people are supposed to shut off their outdoor lighting for the duration.   Instead, very little of the sort actually happened as is usual for every year this event has been held.  The lamestream media did give it some mention and pointed out that some towns and cities celebrated it.  These “celebrations” were quite noncommittal and merely involved turning off the outdoor lights around a prominent local landmark or two.  Besides this governmental involvement, nobody appears to have done anything.  Yet, when there is an occasion that asks for people to turn lights on, such as the National Night Out held every August, the level of participation is very high.  Apparently, people have a strong aversion to turning off their outdoor lights even though it costs them money for the electricity and the security benefits are limited (according to sources such as the FBI).

What I would like to see is a city or town decide to celebrate Earth Hour with a partial reenactment of a World War II-era blackout.  Younger readers of this blog might not be aware that, during the war, people were in fear of being bombed at night by the enemy.  For the British, this fear was very real as the Luftwaffe frequently bombed targets in Britain under the cover of night during the early part of the war.  In the United States, the fear was more hypothetical as the capabilities of the enemy were not well known.  While the country was definitely out of range of German aircraft, the range of the Japanese planes was largely unknown in the early days of the war and there was speculation that they could reach targets on the west coast.  To frustrate night bombers, towns and cities adopted a blackout strategy where, when a signal was given, every source of possible outdoor illumination was either shut off or completely shielded.  While this was not 100% effective in Britain (the Germans had an early sort of radio navigation), it did make it harder for British cities to be struck, and in the United States, blackouts did raise war awareness among the public.  Getting back to the main point of the paragraph, towns and cities should celebrate Earth Hour by turning off as much outdoor illumination as possible (except traffic signals) and possibly even compete with one another for achieving the greatest light reduction.

Another example was a recent news article that carried a night-time satellite image of the Korean peninsula.  South of the 38th parallel, there were brightly lit cities and towns.  North of it, almost complete darkness.  The author of the article was implying that light pollution is a sign of economic vigor and is a good thing, despite growing evidence of health and ecological problems it causes.  By not having light pollution, North Korea was dysfunctional.  Actually, one doesn’t need a satellite image to figure that out.  Any society where the police manual has a chapter devoted to cannibalism has very serious problems and lighting is not going to fix that.

However, for any serious progress to be made against light pollution, there would need to be a change in mentality that I do not see happening.  An example of the kind of thinking that helps perpetuate light pollution was aired on my local AM radio station.  Every Wednesday morning, they have a short (about forty minutes) program hosted by Milton Paris, titled “Getting Ahead in Business”.  Each program, Paris would bring on a business owner that he met at one of his public functions and that owner would describe his business while Paris would ask questions and make favorable comments.  Recently, he had the owner of a sign company and the two of them waxed rhapsodic over illuminated business signs.  The part that caught my attention was when they said that it made good sense to leave said signs on all night as advertising.  Aside from the obvious contribution to the light pollution problem, such an approach would be wasting money for those businesses since they would be spending money on electricity to power the signs when there is nobody around to see them.  While I am not advocating doing away with illuminated business signs, nor am I against their use for advertising, I believe that an intelligent business would have them shut off after a certain time when potential viewers of the signs are not around.  After all, a sign shining at three in the morning is not likely to be seen by anyone except the occasional over-the-road truck driver or police officer on patrol.  In short, why pay to put on advertising when there is no audience?

The point of all this is that there cannot be much real progress against light pollution until the mindset of leaving lights on all night even when there is no need for them is changed.  Does anyone see any way to change that?

Too Much Binge Viewing?

For the benefit of any readers who are not familiar with the term, “binge viewing” is when one gets an entire season or entire box set of a TV series on DVDs and watches them over a short span of time, usually to catch up with a series they just learned about, though some do it for other reasons.

Now on to the topic.  Recently, I came across a curious article on the Space Daily website.  According to the article, Elon Musk, the founder of Paypal and SpaceX (the folks with the Falcon rocket and Dragon space capsule) posted a comment online that claimed intelligent machines could wind up going after humanity in as little as the next five years.

While Mr. Musk knows quite a bit about the Internet and has done impressive things in the realm of private commercial spaceflight (barring any future catastrophes, it is likely that the first American vehicle to carry astronauts into space will be a Dragon capsule), he seems to have some eccentricities.  Personally, his robot comments sound like the result of having binge viewed the SyFy Channel remake of “Battlestar Galactica” or possibly watching a “Terminator” movie marathon.  While I am familiar with both productions and have met some people from the “Galactica” program (original and SyFy channel reboot) as well as Linda Hamilton and Kristanna Lokken from the “Terminator” franchise, these are meant as science fiction entertainment, not documentaries on the future.

Or maybe Mr. Musk was reading “R.U.R.” (Rossum’s Universal Robots) by Karel Kapek, the first story (a play, actually) about conflict between humans and artificial intelligence, very late at night.  Interestingly, there are some similar elements in both “R.U.R.” and the “Galactica” remake, though in “R.U.R.”, the conflict is caused by human greed and stupidity.  Again, a piece of entertainment, not a road map to the future.

So, do you think that Elon Musk was going on about nothing, or do you think his comments have some merit?

Planetariums vs. Observatories

As an amateur astronomer, I believe that planetariums and observatories have their place and that there is normally no cause for conflict, though my club, Amateur Astronomers, Inc., had a rather heated debate many years ago (long before my time) about whether or not they should have a planetarium and an observatory.  However, I imagine that the issue had more to do with limited space, resources, and funding than with anything concerning philosophy.

However, the lamestream media (while I would like to take credit for coming up with that term to describe the mainstream media, it was actually coined by the writer(s) over at the Anomalist website) seems to believe there is some sort of competition and they take sides (so much for journalistic objectivity).  Consider the following example:

Back on August 8th, the weekend section of the local Gannett newspaper had a piece that was billed as being about planetariums and observatories.  Said piece was on the two central pages of the section and consisted of one large article about a planetarium, along with some photos.  The remaining space was taken up with a listing of planetariums in the state (reasonably complete) and there was a very tiny section which had a rather incomplete listing of observatories (while my club’s main observatory was mentioned, the vast United Astronomy Clubs of NJ – UACNJ – complex of observatories at Jenny Jump State Park was not mentioned at all.

One might be tempted to consider this bias merely an isolated example.  But there was an article in the local Greater Media paper a few years ago where a columnist was talking about an interest in the night sky and thought the best way to satisfy it was visiting a planetarium.  No mention of astronomy clubs or their observatories whatsoever.  In the words of Ian Fleming (creator of James Bond): “Once is bad luck, twice is coincidence, three times is enemy action”.  Based on the articles I read, we are well into the coincidence stage, but I suspect this phenomenon may be a bit more widespread.

What could cause this bias?  Perhaps reporters are intimidated by amateur astronomers, their clubs, and observatories.   Or do they feel that actually going to an observatory, listening to a lecture, and actually walking up to a telescope to use their own eyes to see something is way too much effort for them and their readership?  Could it be that they are so accustomed to watching movies that the only way they might find space interesting is if it is presented like a movie with special effects?  Which of these do you think is accurate?  Or do you have a theory of your own?

Looking Like Old Times?

While looking through one of the History Roundups over at the Beachcombing’s Bizarre History Blog (History Roundup #183 to be precise), I came across an article concerning a book that discusses how a society consisting of a number of countries all interconnected by diplomacy, commerce, and military alliances could be brought down by changes in the climate, pressure on agricultural resources, masses of refugees, and outside aggressors.

No, this wasn’t one of those books like Thom Hartmann’s “The Crash of 2016” concerning a possible economic disaster of epic proportions, nor is it a book set in the near future.  This book is “1177 BC: The Year Civilization Ended” by Eric H. Cline, and it describes the circumstances that brought about the near-simultaneous collapse of the Assyrians, Babylonians, Hittites, Mycenaean Greeks, and other societies in the late Bronze Age.

The fact that the description of the book’s thesis sounds so familiar to us is exactly the point that Cline is trying to make.  We may be heading down a similar path as Cline feels that there are similarities between modern Western civilization and the network of societies in that era.  I haven’t read the book yet, so I don’t know if Cline believes that we can prevent this fate or if it is inevitable.

I suspect that it is likely an inevitable fate.  As Douglas Adams once observed, “Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.”  But, it could be argued that we have a few more tricks up our sleeves than the folks in the Bronze Age did, so we might be able to avert this disaster.

Is Cline on the right track, or is he finding similarities between our era and those days that don’t really exist?  If he is right, are we capable of avoiding the kind of catastrophe that befell those ancient societies?