NY to Sydney in two hours? Coming soon

Scramjets, which could hit 10,000 miles per hour, will make the world a lot smaller--but not necessarily safer.

Scramjets, which could make the world a lot smaller--but not necessarily safer--may get off the ground sooner than expected. The peak speed of the fastest jets is currently Mach 3, but engines that break Mach 6 are being tested--and new technologies develop faster than expected. But the breakthrough that could get you around the world in two hours could also be adapted for killer missiles.

Read the full story on Popsci.com: The Hypersonic Age is near.

About the author
 

Join the discussion

Conversation powered by Livefyre

Show Comments Hide Comments
Latest Galleries from CNET
30 best iPad games (pictures)
Best cameras for foodie photographers (pictures)
10 mobile gadgets gone gonzo (pictures)
Apple in 2014: iPhone 6, iCloud hack, Beats and more (pictures)
The 12 most distinctive phones of 2014 (pictures)
Best mobile games of 2014