Avi Loeb, a physicist from Harvard University in the US, has recovered 50 tiny spherical iron fragments from the bottom of the Pacific Ocean that he claims may be material from an interstellar alien spaceship.
Astrobiology
Jul 10, 2023
1
55
Ph.D. candidate Petr Steindl creates complex structures of light using single photons. As a teenager, he wanted to study Czech poetry but decided on quantum physics. "Looking back, I am glad I switched fields," he says. On ...
Optics & Photonics
Jul 5, 2023
1
21
Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered two "super-Earth" exoplanets orbiting a nearby M-dwarf star known as TOI-2095. The newfound alien worlds have ...
Fractures in Earth's subsurface play an important role in our energy systems—from providing pathways to extract fossil fuel from rock deep underground to supporting emerging green technologies like carbon storage and enhanced ...
Earth Sciences
Apr 19, 2023
0
8
Accurately reconstructing how the parts of a complex molecular are held together knowing only how the molecule distorts and breaks up—this was the challenge taken on by a research team led by SISSA's Cristian Micheletti ...
Bio & Medicine
Mar 17, 2023
0
351
Trapped electrons traveling in circular loops at extreme speeds inside graphene quantum dots are highly sensitive to external magnetic fields and could be used as novel magnetic field sensors with unique capabilities, according ...
Nanophysics
Mar 6, 2023
0
70
When a spacecraft enters a thick atmosphere at a high velocity, it rapidly compresses the gas in front of it. This creates temperatures high enough to ionize the gas molecules into a hot, dense plasma. To protect against ...
Materials Science
Jan 12, 2023
0
4
NASA on Tuesday celebrated exceeding expectations during a mission to deflect a distant asteroid, in a sci-fi like test of humanity's ability to stop an incoming cosmic object from devastating life on Earth.
Planetary Sciences
Oct 11, 2022
20
709
In fusion power generation, it is essential that the high-energy particles generated by a fusion reaction in hot plasma heat it to sustain further fusion reactions. The key to this self-heating of the plasma is whether it ...
Plasma Physics
Sep 28, 2022
0
43
What do you need to make your garden grow? As well as plenty of sunshine alternating with gentle showers of rain—and busy bees and butterflies to pollinate the plants—you need good, rich soil to provide essential minerals. ...
Plants & Animals
May 13, 2022
0
2
