Hot bodies emit heat in the form of electromagnetic radiation. Lightbulbs and night vision cameras are examples of technologies based on this physical phenomenon. Our daily experience tells us that heat is always directed ...
Nanophysics
Mar 30, 2023
1
278
A team of astrophysicists say that cosmic inflation—a point in the universe's infancy when space-time expanded exponentially, and what physicists really refer to when they talk about the "Big Bang"—can in principle be ...
Astronomy
Nov 3, 2022
10
130
Until 2018, the SI unit of mass, the kilogram, was defined as the mass of a real object: the International Prototype Kilogram, kept in a secure facility in the outskirts of Paris. On November 16, 2018, the kilogram was given ...
General Physics
Aug 1, 2022
0
23
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
NASA is launching the first two of six small satellites no earlier than June 12, to study the formation and development of tropical cyclones almost every hour—about four to six times more often than is possible with current ...
Planetary Sciences
Jun 9, 2022
0
7
Scientists from Cardiff University have taken a step towards a greener, more sustainable way of creating a plastic material found in a range of items from toothbrushes and guitar strings to medical implants, construction ...
Materials Science
May 5, 2022
0
143
In physics, as in life, it's always good to look at things from different perspectives.
Condensed Matter
Apr 27, 2022
0
1600
Recently, National Science Review published online the research results on three-dimensionally oriented orbital angular momentum of light from Professor Qiwen Zhan's team at the University of Shanghai for Science and Technology.
Optics & Photonics
Oct 21, 2021
0
36
Modern medicine relies on an extensive arsenal of drugs to combat deadly diseases such as pneumonia, tuberculosis, HIV-AIDS and malaria. Chemotherapy agents have prolonged lives for millions of cancer patients, and in some ...
Bio & Medicine
May 4, 2021
0
48
Fermilab scientists have been conducting experiments to look for quantum fluctuations of space and time at the smallest scale imaginable according to known physics. At this limit, the Planck length, our classical notions ...
Quantum Physics
Feb 15, 2021
6
348
