Futuristic engine proves its mettle

9:44pm, September 18, 2001

Proponents of exotic aircraft engines called scramjets say the technology might eventually make it possible to reach any spot on Earth in a 2-hour flight (SN: 9/19/98, p. 182: ). Yet, in more than 40 years of development, no scramjet-driven craft has ever made even a short hop under its own power.

Now one has—but just barely.

This article is available only to subscribing members. Join SSP today or Log in.

More from Science News