2 小时
IFLScience on MSNHow Did The XB-1 Jet Break The Sound Barrier Without Producing An Audible Sonic Boom?Boom Supersonic, the company aiming to create commercial planes that can travel faster than the speed of sound, have ...
Boom Supersonic’s XB-1 technology demonstrator broke the sound barrier three more times Monday morning in its final flight, ...
Rolling back billions of dollars for technologies that clean up the air could send shock waves through Republican states ...
Emiliano Grillo dunked a hole-in-one in the second round of the 2025 WM Phoenix Open, sending the crowd into a celebration ...
U.S. President Donald Trump is slapping 25 per cent tariffs on all steel and aluminum imports into the United States, ...
When the experimental XB-1 aircraft achieved supersonic speeds on a test flight, it did not create a disruptive sonic boom – ...
21 小时
Daily Express US on MSNIsraeli politician calls for 'massive' bombing of Gaza as Hamas ceasefire deal faltersFormer national security minister Itamar Ben Gvir urged Israel to retaliate after Hamas suspended a hostage-prisoner exchange ...
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