Hypersonic rocket reaches Mach 7.5 — that’s Sydney to London in 2 hours
A joint venture between US Department of Defense and Australian Defence Science and Technology Organization launched a rocket to a ...
Tag: speed of sound
Supersonic biplane design cancels sonic boom effect
The now retired Concorde turbojets were the fastest civilian airliners in the world, capable of carrying passengers from Paris to ...
EDITOR'S PICKS
Animals take medicine when they are sick: a few striking cases
What do primates, birds, bees, and butterflies have in common? They all use medicine -- it's more common than you...
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