The crests (bright) and troughs (dark) of waves spread out after they were produced. The picture applies to both light and sound waves.
Most people are familiar with lasers. But what about a laser made with sound rather than light? A couple of physicists have now created one that they plan to use for measuring imperceivable forces.
Quantum mechanics could unlock new forms of machine learning.
Quantum machine learning is an exciting and rapidly growing field.
A silica sphere with a radius of 50 nanometers is trapped levitating in a beam of light.
J. Adam Fenster, University of Rochester
The discovery and development of optical tweezers won the 2018 Nobel Prize in physics. Now physicists are using this tool to crack some of the fundamental questions behind how the universe works.
What’s the link between technology and consciousness?
Researchers' views depend in part on what technology is (or will be) capable of – and in part on what consciousness actually is.
If kitty goes in, will she really be alive and dead?
It’s a century-old debate: what is the meaning of the wave function, the central object of quantum mechanics? Is Schrödinger’s cat really dead and alive? I was recently involved in an experiment conducted…