Since the 1970s, chemicals called brominated flame retardants (BFRs) have been added to a host of consumer and household products, ranging from electronics and mattresses to upholstery and carpets. While they were intended ...
Analytical Chemistry
Nov 4, 2020
0
532
(Phys.org) —In a new study, physicists have teleported photonic qubits made of pairs of entangled photons that are generated by an LED containing an embedded quantum dot. The novel set-up has advantages compared to the ...
Pulses of light are very useful for probing the inner workings of atoms, molecules and solids. Eiji Takahashi and co‐workers from the RIKEN Center for Advanced Photonics, in collaboration with the Center for Free-Electron ...
General Physics
Dec 13, 2013
4
0
Imagine a soldier who can change the color and pattern of his camouflage uniform from woodland green to desert tan at will. Or an office worker who could do the same with his necktie. Is someone at the wedding reception wearing ...
Optics & Photonics
Jun 24, 2015
9
3966
When the molecules that carry the genetic code in our cells are exposed to harm, they have defenses against potential breakage and mutations.
General Physics
Apr 7, 2017
0
3328
It's been a half-century since the magnificent Apollo 11 moon landing, yet many people still don't believe it actually happened. Conspiracy theories about the event dating back to the 1970s are in fact more popular than ever. ...
Space Exploration
Jul 10, 2019
20
814
Researchers have developed an ultrafast light-emitting device that can flip on and off 90 billion times a second and could form the basis of optical computing.
Nanophysics
Jul 27, 2015
3
2332
A thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night, according to a study that will be published on Aug. 9 in Science Advances.
Polymers
Aug 9, 2019
15
235
All light sources work by absorbing energy – for example, from an electric current – and emit energy as light. But the energy can also be lost as heat and it is therefore important that the light sources emit the light ...
Quantum Physics
Apr 26, 2016
13
2481
For more than a decade, scientists have been frustrated in their attempts to create continuously emitting light sources from individual molecules because of an optical quirk called "blinking," but now scientists at the University ...
Nanophysics
May 10, 2009
4
0
