Astronauts inhale oxygen and exhale carbon dioxide, just like you and me. On Earth, where exhaled air warmed by our bodies naturally rises away from us, the possibility of inhaling too much carbon...
Everything has a birthday. It鈥檚 the same day, about 13.77 billion years ago. Scientists claim that they are 99% certain that this is the age of our entire universe. But how could they possibly know...
There are certain problems with solar power technologies that still need some work. We are addressing quite a few bumps on the road to completely sustainable energy though. High costs of solar...
Last month聽during a Norwegian science festival, Stephen Hawking, the famous theoretical physicist and author of A Brief History of Time said this about space travel: 鈥淚t is clear we are entering a...
Is not a unit of time. Although the term 鈥測ear鈥� factors into the nomenclature, a light year actually measures extremely long distances and is used in mapping galaxies, planets, stars, and other...
Astronauts need to sleep next to a ventilator fan while they鈥檙e in weightless orbit; otherwise, they might suffocate in their sleep. Reason being, is that warm air does not naturally rise when...
While it makes for a great album title, the dark side of the moon is simply a myth. As the moon rotates around the Earth, and the Earth around the sun, the moon is exposed to the sun鈥檚 light just...
I was fascinated by yesterdays announcement that "old light"鈥� revealed trace evidence in the background radiation of the earliest鈥� 聽trillionth of a trillionth (and then some) of a second of the ...
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