Here are some interesting science news:
New property of light discovered
https://phys.org/news/2019-06-property.html
A team of researchers affiliated with several institutions in Spain and the U.S. has announced that they have discovered a new property of light—self-torque.
Goodbye Aberration: Physicist Solves 2,000-Year-Old Optical Problem
https://petapixel.com/2019/07/05/goodbye-aberration-physicist-solves-2000-year-old-optical-problem/
“In this equation we describe how the shape of the second aspherical surface of the given lens should be given a first surface, which is provided by the user, as well as the object-image distance,” explains González. “The second surface is such that it corrects all the aberration generated by the first surface, and the spherical aberration is eliminated.”
Autofocal Glasses Prototype: Huge Improvement on Progressive Lenses
https://blog.hackster.io/autofocal-glasses-prototype-huge-improvement-on-progressive-lenses-b6eeaa0f36cb
A Neural-Net Based on Light Could Best Digital Computers
https://spectrum.ieee.org/tech-talk/computing/hardware/a-neural-net-based-on-light-could-best-digital-computers
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