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 who study the cosmos have a favorite philosophy known as the "mediocrity principle," which, in essence, suggests that there's really nothing special about Earth, the sun or the Milky Way galaxy compared to the ...
Astronomy
Jun 3, 2022
7
2334
Traditional acousto-optic (AO) devices based on bulk crystal materials have weak energy confinement abilities for both photons and phonons, leading to a low AO interaction strength. Compared with bulk materials, photonic ...
Optics & Photonics
May 25, 2022
0
41
Climate change gives rise to more unstable weather, local droughts and extreme temperature records, but a coherent theory relating local and global climate is still under active development. Now a Danish astrophysics student ...
Earth Sciences
May 25, 2022
1
78
Researchers have discovered in two-dimensional conductive systems a new effect that promises improved performance of terahertz detectors.
Optics & Photonics
May 23, 2022
0
5035
Completing a nearly 30-year marathon, NASA's Hubble Space Telescope has calibrated more than 40 "milepost markers" of space and time to help scientists precisely measure the expansion rate of the universe—a quest with a ...
Astronomy
May 19, 2022
9
1073
New research suggests an unseen "mirror world" of particles that interacts with our world only via gravity that might be the key to solving a major puzzle in cosmology today—the Hubble constant problem.
General Physics
May 19, 2022
4
141
Today, wireless communications play an increasingly important role in our daily lives. For future "freewheeling" sixth generation (6G) wireless communications, the hybrid communication systems that can exploit advantages ...
Optics & Photonics
May 13, 2022
0
4
A team of researchers with members from Universit´e Paris-Saclay, the University of Ulm and the Institute of Quantum Technologies has developed an on-chip circuit that produces up to six microwave photons at the same time. ...
A new publication in Opto-Electronic Advances overviews dynamic metasurfaces and metadevices empowered by graphene.
Nanomaterials
May 5, 2022
0
5
