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I would like to propose a thought experiment: Imagine a box that when closed, there is no interaction between the inside and the outside world. You can't…
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On January 28th, 1986, the space shuttle "Challenger" exploded 73 seconds after liftoff, and on February 1st, 2003 the space shuttle "Columbia" broke…
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At the airport this past summer, I overheard a young child ask his mother a wonderfully inquisitive question: "Why can't we just fly the plane into space?…
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At some point perhaps tonight, perhaps later. We will look up and glance at the moon with indifference. We've seen it a million times before, I mean it's…
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The Sun has been observed and worshipped throughout much of human history. One of the first known monuments to the Sun was built in Newgrange, Ireland…
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During breaks while working on the construction of the first atomic bomb in 1943, Enrico Fermi and his colleagues talked of many things. One of which was…
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Let’s talk about the possibilities of collisions with the Earth.Actually, our Earth is being hit all the time by cosmic dust and meteors. More often than…