NASA's Chandra X-ray Observatory has found a cosmic "ghost" lurking around a distant supermassive black hole. This is the first detection of such a high-energy apparition, and scientists think it is evidence of a huge eruption ...
Astronomy
May 28, 2009
15
0
To study living organisms at ever smaller length scales, scientists must devise new techniques to overcome the so-called diffraction limit. This is the intrinsic limitation on a microscope's ability to focus on objects smaller ...
Biotechnology
Apr 22, 2024
0
8
Future missions will be able to find signatures of violating the parity-symmetry in the cosmic microwave background polarization more accurately after a pair of researchers has managed to take into account the gravitational ...
Astronomy
Nov 2, 2023
16
108
An international team of scientists have successfully mapped the magnetic field of our galaxy, the Milky Way, using telescopes that observe the sky in the microwave range. The new research is published in Monthly Notices ...
Astronomy
Jan 12, 2023
0
507
Researchers have developed a new chip-based beam steering technology that provides a promising route to small, cost-effective and high-performance lidar (or light detection and ranging) systems. Lidar, which uses laser pulses ...
Optics & Photonics
Aug 4, 2022
0
601
Astronomers at the University of Toronto have spotted some of the most elusive stuff in our universe by taking a deep look at the cosmic web, the network of filaments and knots that trace the large-scale distribution of galaxies.
Astronomy
Jul 12, 2022
7
4071
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
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
