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The Tall Towers
In 1945, science fiction author Arthur C. Clarke published “Extra-Terrestrial Relays ā Can Rocket Stations Give Worldwide Radio Coverage?” in Wireless World magazine. Clarke calculated a special orbit, about 36 000 km above the equator with a period of one sidereal day, in which artificial satellites would appear to hover motionless above Earth. The satellites…
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Hiking to conference
Last weekend, I attended a conference in Germany. I used the opportunity during my sabbatical to return to this conference series, which I attended the last time in 2002. The conference takes place in a small village in the Harz, a MittelgebirgeĀ (I didn’t know that this is an English word!) in Northern Germany. Because I…
Thanks, Mark! I enjoy reading your posts as well.