Many bird species fly together with conspecifics in flocks to safely cover flight distances. To avoid collisions with each other and head in the same direction, flock members have to communicate and coordinate their flight ...
Plants & Animals
Jun 30, 2022
0
17
The way electrons flow in a material determines its electronic properties. For example, when a voltage is sustained across a conducting material, electrons start flowing, generating an electrical current. These electrons ...
Nanophysics
Mar 24, 2022
1
486
The solar system has eight planets. In 2006, astronomers reclassified Pluto as a dwarf planet, the same class that contains Eris, Sedna, Quaoar, Ceres and perhaps many more solar system small bodies. These are defined approximately ...
Astronomy
Mar 14, 2022
5
815
Star light, star bright, the James Webb Space Telescope has seen its first star (though it wasn't quite tonight)—and even taken a selfie, NASA announced Friday.
Space Exploration
Feb 11, 2022
0
1526
EPFL researchers have developed a new type of printing process that involves removing material rather than depositing it. Their method could be particularly useful for printing banknotes and ID documents, for example.
Nanomaterials
Feb 3, 2022
0
36
By confirming certain light-scattering dynamics first proposed a half-century ago, University of Nebraska–Lincoln physicists are casting fresh eyes on the universe-birthing fireworks ignited by the Big Bang nearly 14 billion ...
General Physics
Dec 20, 2021
5
103
The universe contains a mind-boggling number of stars—but scientists' best estimates may be an undercount. A NASA-funded sounding rocket is launching with an improved instrument to look for evidence of extra stars that ...
Astronomy
Jun 4, 2021
1
642
The cosmic microwave background, or CMB, is the electromagnetic echo of the Big Bang, radiation that has been traveling through space and time since the very first atoms were born 380,000 years after our universe began. Mapping ...
General Physics
Feb 18, 2021
0
1275
Macquarie University researchers have developed an improved laser system that will help large optical telescopes to gather more accurate data.
Optics & Photonics
Apr 3, 2020
0
193
The Earth, solar system, the entire Milky Way and the few thousand galaxies closest to us move in a vast "bubble" that is 250 million light years in diameter, where the average density of matter is half as high as for the ...
Astronomy
Mar 10, 2020
80
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