Physical Science

The night sky is a treasure trove of jewels, and getting your child interested in it as soon as possible will be a gift like no other. There is a multitude of ways to get kids interested in astronomy and a…
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Have you ever looked up in the night sky? What did you see? The stars? What else? How about the moon? Did you ever wonder about the moon? What is it? How did it come to be? Why does it…
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Physics: Do artifacts exist that prove time travel is real? Skeptics have pointed out that if traveling through time ever became possible that we would see evidence of it all around us. Indeed, time travelers would be walking amongst us!…
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One of the best ways to boost kids’ interest in astronomy is by allowing them to studying it firsthand. Look for material about astronomy, space, space travel and other space-related matters. There is a lot of written material about astronomy…
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The night sky is fascinating. Unfortunately, many people, who live in cities, never see the night sky in all its glory, because of light pollution. The sheer number of stars often surprises those, who move from city to very rural…
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Cassiopeia is one of the 88 constellations that have been classified in the night sky. Cassiopeia is best recognized by its resemblance to the letter w or M, depending on the time of the year. Given there are clear skies,…
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There is probably no single best way to teach an aspiring stargazer how to identify the brightest stars in the night sky. One approach is to consult an astronomy guide that discusses individual constellations in detail. Another way is to…
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Diffusion is the random process by which particles distribute themselves within a container or medium.  (More formally, Medical Dictionary provides the definition “the process whereby particles of liquids, gases, or solids intermingle as the result of their spontaneous movement caused…
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In 2012, the K2.5V orange dwarf star HD 40307 was announced to have a minimum of six “super-Earth” planets in its solar system, with masses at least five times larger than Earth’s but still small enough to be rocky planets rather than…
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The use of fossil fuels to power engines has been common practice for decades. As different modes of transportation were designed, different fuels were developed to fulfill the requirements of the many types of engines, both on the ground and in the air….
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