Tech entrepreneur Elon Musk is set to unveil an underground transportation tunnel that could move people faster than subways. The “proof of concept” runs about 2 miles under Hawthorne, California. (Dec. 18)
Source: The Associated Press
Tech entrepreneur Elon Musk is set to unveil an underground transportation tunnel that could move people faster than subways. The “proof of concept” runs about 2 miles under Hawthorne, California. (Dec. 18)
Source: The Associated Press