Twisted sound beams suggest an advanced civilisation may be able to harness immense amounts of power from a black hole.
Tags: physics black-hole light science-fiction doppler-effect
Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.
June 22, 2020 • ~6 min
Tags: physics quantum-mechanics laser light photons molecules curious-kids curious-kids-us temperature cold atoms absolute-zero warmblood sloths
Physicists hunt for room-temperature superconductors that could revolutionize the world's energy system
Generating energy usually means wasted heat. Semiconductors let the electrons flow with zero waste – but so far scientists only know how to get them to work at ultra-low temperatures.
June 3, 2020 • ~9 min
Tags: physics quantum-computers ibm quantum-physics superconductivity power-transmission
Pairing lasers with microwaves makes mind-bogglingly accurate electronic clocks – a potential boon for GPS, cell phones and radar
Researchers have made some of the most accurate clocks imaginable in recent years, but the trick is harnessing those clocks to electronics. Using lasers to tune microwaves bridges the gap.
May 22, 2020 • ~7 min
Tags: physics astronomy dark-matter gravity laser gps cell-phones microwave black-holes metrology radar power-grid atomic-clocks frequency
A high-tech twist on an old idea – running on springs – could give human-powered movement its biggest boost in more than a century.
May 15, 2020 • ~7 min
Tags: robotics physics biomechanics bicycling running physiology sports robotic-exoskeletons sprinting springs
The movies make it seem like someday we'll be able to make people and objects grow really big or shrink really small. Whether this will be possible comes down to the smallest of things.
May 4, 2020 • ~4 min
Tags: physics curious-kids curious-kids-us matter atoms crystal mummies avengers-endgame
The term 'Big Bang' might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.
April 30, 2020 • ~6 min
Tags: physics astronomy cosmology universe big-bang cosmic-microwave-background curious-kids curious-kids-us universe-expansion accelerating-universe
Page 1 of 1