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I thought it would be good to let you readers of this column know that in case you wish to order the book "Anomaly! Collider Physics and the Quest for New Phenomena at Fermilab" (or any other title published by World Scientific, for that matter) you have 10 more days to benefit of a 35% discount off the cover price>
In case you haven't heard of it, Nibiru is a totally nuts idea. Yet it gets many people very scared. I started to get messages about it as a result of writing articles about asteroid impacts, and how we can detect and deflect asteroids. It is possible to have beliefs that don't make any sense if you look at them closely>
You can use a simple cat toy (laser pointer) to demonstrate the Tyndall effect. “The Tyndall effect, also known as Tyndall scattering,” according to Wikipedia, “is light scattering by particles in a colloid or particles in a fine suspension.” You can use the laser to test three different mixtures: colloids>
This idea dates back to the Russians in the early 1970s. The surface of Venus is far too hot, and the atmosphere too dense, for Earth life. However, our air is a lifting gas on Venus with about half the lifting power of helium on Earth. A habitat filled with normal air will float high in the dense Venus atmosphere>
What Color Is An Orange ?A question like that, here at science20.com, just has to be a trick question.It is possible, by the application of common sense arguments, to prove to a scientific level of certainty that an orange is absolutely not orange.How don't we see ?Between 41% and 67% of participants, depending on>