Long relegated to the world of science fiction, lasers and rail guns are increasingly appearing in real life.
Elon Musk tweets about space elevators and more
And pls don’t ask me about space elevators until someone at least builds a carbon nanotube structure longer than a footbridge
— Elon Musk (@elonmusk) January 26, 2015
An Earth based space elevator would be around 62,000 miles long, or about 2.5 times the circumference of the earth. It would take about 7.5 days to reach the GEO level traveling at 200 kph. Continue reading… “Elon Musk tweets about space elevators and more”
