What would happen if the Earth’s gravity suddenly disappeared?
This was a recent question from my 10-year-old son… it certainly got some interesting discussions going around the kitchen table. When I opened up the question
It seems the subject of space travel is everywhere at the moment. Here are just a few topics that have cropped up in my time line in the last few weeks.
Firstly there was the timely and obliging space probe that landed on a comet right in the
This week Dr. Simple answers a question that comes in from a lovely little girl who can sometimes be found here; she would like to know…
What makes the wind?
Did you like Dr. Simple’s explanation or did you find it “a