Squids, octopuses, cuttlefish, amphibians, and chameleon lizards are among the animals that can change the color of their skin in a blink of an eye. They have photoreceptors in their skin that operate independently of their ...
Evolution
Oct 16, 2019
2
3676
When people think of space technologies, many think of solar panels, propulsion systems and guidance systems. One important piece of technology in spaceflight is an accurate timing device.
Space Exploration
Oct 17, 2011
0
0
A team of scientists has revealed an internal clock within live human cells, a finding that creates new opportunities for understanding the building blocks of life and the onset of disease.
General Physics
Sep 11, 2017
0
2159
Scientists in the Emergent Photonics Lab (EPic Lab) at the University of Sussex have made a breakthrough to a crucial element of an atomic clock—devices which could reduce our reliance on satellite mapping in the future—using ...
Optics & Photonics
Mar 11, 2019
9
2616
The everyday use of a GPS device might be to find your way around town or even navigate a hiking trail, but for two physicists, the Global Positioning System might be a tool in directly detecting and measuring dark matter, ...
General Physics
Nov 17, 2014
12
0
JILA physicists have created an entirely new design for an atomic clock, in which strontium atoms are packed into a tiny three-dimensional (3-D) cube at 1,000 times the density of previous one-dimensional (1-D) clocks. In ...
Quantum Physics
Oct 5, 2017
0
826
When and where did humans split from the apes to become a separate branch of bipeds? Are we an ape or not? If so, which of the living Great Apes is the closest to humans?
Evolution
Feb 22, 2016
0
269
On December 31, 2016, a "leap second" will be added to the world's clocks at 23 hours, 59 minutes 59 seconds Coordinated Universal Time (UTC). This corresponds to 6:59:59 pm Eastern Standard Time, when the extra second will ...
Space Exploration
Jul 6, 2016
2
1640
A total lunar eclipse will grace the night skies this weekend, providing longer than usual thrills for stargazers across North and South America.
Space Exploration
May 13, 2022
0
3649
Europe's Galileo satellite navigation system – already serving users globally – has now provided a historic service to the physics community worldwide, enabling the most accurate measurement ever made of how shifts in ...
General Physics
Dec 5, 2018
94
2981
