EPFL scientists have been able to measure the ultrashort time delay in electron photoemission without using a clock. The discovery has important implications for fundamental research and cutting-edge technology.
General Physics
Feb 8, 2017
4
2519
Venus is almost the same size, mass and density as Earth. So it should be generating heat in its interior (by the decay of radioactive elements) at much the same rate as the Earth does. On Earth, one of the main ways in which ...
Planetary Sciences
Mar 19, 2023
0
51
The universe is looking younger every day, it seems.
Astronomy
Sep 12, 2019
195
2987
(Phys.org)—Ideal invisibility cloaks like those in Harry Potter may be physically impossible, a new study shows. The researchers demonstrate that even the best invisibility cloaks can hide an object from only some observers, ...
A team of researchers from the Johns Hopkins University Applied Physics Laboratory, North Carolina State University and NASA, has proposed, via whitepaper, that NASA should direct its Mars-bound spacecraft to fly by Venus ...
(Phys.org) —Researchers at the University of California, Santa Cruz, have developed a prototype for 3D+2D television that allows viewers with stereo glasses to see three-dimensional images, while viewers without the glasses ...
Hi Tech & Innovation
Jul 12, 2013
1
1
(Phys.org) —It doesn't take a Watson to realize that even the world's best supercomputers are staggeringly inefficient and energy-intensive machines.
Engineering
Nov 1, 2013
9
0
The field of attosecond physics was established with the mission of exploring light–matter interactions at unprecedented time resolutions. Recent advancements in this field have allowed physicists to shed new light on the ...
For the first time, researchers have succeeded in selectively exciting a molecule using a combination of two extreme-ultraviolet light sources and causing the molecule to dissociate while tracking it over time. This is another ...
Optics & Photonics
Nov 22, 2023
0
238
Exoplanet hunters have found thousands of planets, most orbiting close to their host stars, but relatively few alien worlds have been detected that float freely through the galaxy as so-called rogue planets, not bound to ...
Astronomy
Oct 6, 2021
0
8604
