(PhysOrg.com) -- Scientists have used the NASA/ESA Hubble Space Telescope to observe a quasar accretion disc -- a glowing disc of matter that is slowly being sucked into its galaxy's central black hole. Their study makes ...
Astronomy
Nov 4, 2011
18
0
As people across the globe look forward to longer life expectancies, malignant cancers continue to pose threats to human health. The exploration and development of immunotherapy aims to seek new breakthroughs for the treatment ...
Bio & Medicine
Jun 7, 2022
0
529
A new paper by Dr. Miki Ben-Dor and Prof. Ran Barkai from the Jacob M. Alkow Department of Archaeology at Tel Aviv University proposes an original unifying explanation for the physiological, behavioral and cultural evolution ...
Evolution
Mar 1, 2021
11
3735
(PhysOrg.com) -- In a blown-up image from a scanning tunneling microscope, it looks just like an endless sheet of chicken wire: a simple flat sheet made up of a lattice of hexagons. But this nanoscopic material called graphene, ...
Nanomaterials
May 5, 2009
1
0
(Phys.org)—Unraveling the complexities of spin-orbital coupling could someday lead to new high-temperature superconductors and workable quantum computers via an elusive phase of matter called a "quantum spin liquid." Two ...
Condensed Matter
Dec 13, 2012
0
0
To convert heat into electricity, easily accessible materials from harmless raw materials open up new perspectives in the development of safe and inexpensive so-called "thermoelectric materials." A synthetic copper mineral ...
Materials Science
Nov 8, 2022
0
2561
A novel material that consists of a single sheet of carbon atoms could lead to new designs for optical quantum computers. Physicists from the University of Vienna and the Institute of Photonic Sciences in Barcelona have shown ...
Quantum Physics
May 7, 2019
0
3166
During a thunderstorm, we all know that it is common to hear thunder after we see the lightning. That's because sound travels much slower (768 miles per hour) than light (670,000,000 miles per hour).
Optics & Photonics
Nov 26, 2014
14
3
Post-pandemic, some educators are trying to reengage students with technology—like videos, computer gaming or artificial intelligence, just to name a few. But integrating these approaches in the classroom can be an uphill ...
Education
Aug 20, 2023
1
64
The importance of solar power as a renewable energy resource is increasing. Sunlight contains high-energy UV light with a wavelength shorter than 400 nm, which can be broadly used, for example, for photopolymerization to ...
Materials Science
Jan 30, 2023
0
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