Scientists find upper limit for the speed of sound

A research collaboration between Queen Mary University of London, the University of Cambridge and the Institute for High Pressure Physics in Troitsk has discovered the fastest possible speed of sound.

Image: Hypersonic surfing simulation

Simulating the test flight of a hypersonic glider, being developed through the international HEXAFLY-INT collaboration, involving partners across Europe, Russia, Australia and Brazil and supported by the European Commission ...

A sound boost to extreme laser performance

Diamond is a particularly interesting material for this type of laser for two key reasons. Its high thermal conductivity means it is possible to make miniature lasers that simultaneously have high stability and high power. ...

Commercial supersonic aircraft could return to the skies

Flying faster than the speed of sound still sounds futuristic for regular people, more than 15 years after the last commercial supersonic flights ended. The planes that made those journeys, the 14 aircraft collectively known ...

When Concorde first took to the sky 50 years ago

When the misty skies cleared over southern France on the afternoon of Sunday March 2, 1969, the green light was signalled for the highly anticipated first ever flight of the Concorde.

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