Researchers have developed a metallic gel that is highly electrically conductive and can be used to print three-dimensional (3D) solid objects at room temperature. The paper, "Metallic Gels for Conductive 3D and 4D Printing," ...
Materials Science
Jul 5, 2023
0
566
The universe is expanding; we've had evidence of that for about a century. But just how quickly celestial objects are receding from each other is still up for debate.
Astronomy
Jun 30, 2023
147
1569
Using novel materials that have been widely studied as potential new solar photovoltaics, researchers at MIT have shown that nanoparticles of these materials can emit a stream of single, identical photons.
Optics & Photonics
Jun 23, 2023
0
732
The cosmos is a unique laboratory for testing the laws of physics, in particular those of Euler and Einstein. Euler described the movements of celestial objects, while Einstein described the way in which celestial objects ...
Astronomy
Jun 22, 2023
43
152
In science, the explanation with the fewest assumptions is most likely to be true. Called "Occam's Razor," this principle has guided theory and experiment for centuries. But how do you compare between abstract concepts?
Mathematics
Jun 14, 2023
0
1682
Imagine using your cellphone to control the activity of your own cells to treat injuries and disease. It sounds like something from the imagination of an overly optimistic science fiction writer. But this may one day be a ...
Quantum Physics
May 16, 2023
0
223
A vast galaxy cluster lurks in the center of this image from the NASA/ESA Hubble Space Telescope. Like a submerged sea monster causing waves on the surface, this cosmic leviathan can be identified by the distortions in spacetime ...
Astronomy
May 15, 2023
0
11
Researchers have developed a new high-speed way to detect the location, size and category of multiple objects without acquiring images or requiring complex scene reconstruction. Because the new approach greatly decreases ...
Optics & Photonics
May 3, 2023
0
201
Physicists at the Australian National University (ANU) are using nanoparticles to develop new sources of light that will allow us to "peel back the curtain" into the world of extremely small objects—thousands of times smaller ...
Nanophysics
Apr 26, 2023
0
31
The large impact craters dotting our planet are powerful reminders that asteroids and comets strike the Earth from time to time. As often said, it's not a question of "if"; it's a matter of "when" our planet will face an ...
Space Exploration
Apr 25, 2023
0
43
