Stories written by
Bruce Drinkwater, The Conversation
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How a Star Trek-style sonic tractor beam became a reality
A millimetre-sized object has been levitated and moved around in mid-air using nothing but sound waves.
Bruce Drinkwater, The Conversation
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How to find a hidden submarine (no, it’s not just a case of flicking the sonar on)
The Swedish navy is trying to find a Russian submarine in the waters off its coast.
Bruce Drinkwater, The Conversation