A team of collaborators from Carnegie and the University of Chicago used red giant stars that were observed by the Hubble Space Telescope to make an entirely new measurement of how fast the universe is expanding, throwing ...
Astronomy
Jul 17, 2019
13
312
The Tibet ASgamma experiment, a China-Japan joint research project, has discovered the highest energy cosmic gamma rays ever observed from an astrophysical source—in this case, the Crab Nebula. The experiment detected gamma ...
Astronomy
Jul 3, 2019
3
1
Currently, the study of the effects of ionizing radiation is of great relevance in the field of agriculture development, the study of zones with elevated natural and man-made background radiation, and space biology studies.
Ecology
Apr 8, 2019
0
5
A team of scientists has proposed a powerful new test for inflation, the theory that the universe dramatically expanded in size in a fleeting fraction of a second right after the Big Bang. Their goal is to give insight into ...
Astronomy
Mar 26, 2019
172
1869
Almost 20 years ago, the DAMA/LIBRA experiment at Italy's Gran Sasso National Laboratory—LNGS began publishing data showing that it had detected a signal modulation produced by an interaction with the Milky Way's dark ...
Astronomy
Jan 24, 2019
54
354
Bolometers, devices that monitor electromagnetic radiation through heating of an absorbing material, are used by astronomers and homeowners alike. But most such devices have limited bandwidth and must be operated at ultralow ...
Nanophysics
Jun 11, 2018
1
225
Researchers have developed a new way to improve our knowledge of the Big Bang by measuring radiation from its afterglow, called the cosmic microwave background radiation. The new results predict the maximum bandwidth of the ...
General Physics
Apr 19, 2018
0
834
In the first moments after the Big Bang, the universe expanded many billions of times faster than today. Such rapid expansion is likely due to a primordial force field acting with a new particle, the inflaton. From the latest ...
General Physics
Jun 9, 2017
21
157
Whenever we talk about the expanding universe, everyone wants to know how this is going to end. Sure, they say, the fact that most of the galaxies we can see are speeding away from us in all directions is really interesting. ...
Astronomy
Jun 7, 2017
3
104
Reaching the magnetic South Pole is a travel destination few people get to check off their bucket list. But two University of Melbourne PhD students did just that while also indulging their interest in classic physics experiments.
Earth Sciences
Sep 23, 2016
0
9
