Imagine, if you will, a secret community dwelling beneath the streets of New York City, its inhabitants never allowed to travel to the surface or to interact in any way with the dreaded “Topsiders.” ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends, you can ...

Hyperloop One showed off the results of its first full-system test of a magnetically levitating rail vehicle in a vacuum environment, and said its next round of testing will target speeds of 250 mph.

At its heart, it's the same old promise people have been making since pneumatic-tube message delivery systems were the new hotness back in the 1800s. Minimize wind resistance by running a pod in a ...