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So, what if Earth could make its own video diary?
Well, it did. On Oct. 10, 2010, thousands of videographers in every single nation on Earth turned on their cameras and filmed what was happening in their necks of the woods that day. Thanks to the efforts of the One Day on Earth project, those folks were then able to upload their videos to one central Web site for everyone to watch them.
You asked: What happens to our sun once it runs out of fuel? Marshall Brain answers: Our sun is a giant fusion reactor floating in space. It is composed mostly of hydrogen and helium. In the sun’s core, hydrogen is fusing to form helium. Those fusion reactions produce the light and warmth that earth receives [...]
You asked: Is it possible to turn Mars into another Earth? Marshall Brain answers: The process of turning mars into an earth-like planet is called terraforming. However, Mars could ever be exactly like earth. To turn Mars into another earth it needs: – More gravity – More water – More atmosphere – Higher temperatures – [...]
This video presents an interesting theory for the end of the world – or at least for life on earth to end. It is the upcoming geomagnetic reversal, the first hints of which seem to be occurring today. Here is an explanation: By the end of the video, he concludes that, although compasses will stop [...]
The creativity demonstrated here made me laugh – I have never thought of destroying the planet in this way: The realism is also impressive. The creators: Onemoreproduction.com See also: What is the gray goo nightmare? [[[Jump to previous Funny....]]] If you would like to follow Brainstuff on Twitter or Facebook, here are the links: – [...]
Mr. O’Reilly, Thank you for your recent question, “How did the moon get there? Can you explain that to me?” as seen in this video: This a classic HowStuffWorks kind of question. The following videos give a general summary of the current scientific thinking around the Moon’s origin: The basic idea is easily stated: A [...]
If the world stopped revolving, would people weigh more?
by Marshall Brain | January 5, 2011
You asked:
If the world stopped revolving, would people weigh more?
Marshall Brain Answered:
A really simple way to understand how time zones work
by Marshall Brain | January 3, 2011
Around New Year’s eve, people have a special interest in time zones. That’s because the celebration of Happy New Year happens at midnight in your local time zone. Meanwhile, other time zones either have already celebrated the new year, or are sitting around waiting to do it. So cities in New Zealand celebrate New Year’s [...]
Anything in low earth orbit (like the space station, the space shuttle or the Hubble space telescope) is traveling 17,500 MPH. But how fast is that in real, down-to-earth terms? Here’s the answer: It’s a pretty amazing speed. It’s Los Angeles to Tokyo (approximately 5,400 miles) in 18 minutes: The space shuttle achieves that speed [...]
What would it take to create a colony on another planet?
by Marshall Brain | September 8, 2010
You Asked:
What would it take to create a colony on another planet? — Daniel, Munich, Germany
Marshall Brain Answers…
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