Researchers from EPFL's Photonics Systems Lab have come up with a way of reconfiguring microwave photonic filters without the need for an external device. This paves the way for more compact, environmentally friendly filters ...
Optics & Photonics
Sep 7, 2020
0
87
Glass windows typically offer some amount of soundproofing, sometimes unintentionally. In general, ventilation is required to achieve large sound transmission.
General Physics
Sep 1, 2020
0
38
Albert Einstein once said, "I see my life in terms of music." Perhaps inspired by his words, scientists at the Center for Self-assembly and Complexity (CSC), within the Institute for Basic Science (IBS, South Korea) now see ...
Materials Science
Aug 10, 2020
0
135
Type III radio bursts from the sun are signatures of energetic (∼1–100 keV) electrons, accelerated at the reconnection sites, propagating upward through the corona into the interplanetary medium along open magnetic field ...
Astronomy
Jul 29, 2020
9
34
Researchers from Kazan Federal University, Texas A&M University and Institute of Applied Physics (Russian Academy of Sciences) found ways to direct high frequency gamma radiation by means of acoustics.
Optics & Photonics
Jul 21, 2020
6
2281
Higher frequencies mean faster data transfer and more powerful processors—the formula that has been driving the IT industry for years. Technically, however, it is anything but easy to keep increasing clock rates and radio ...
Optics & Photonics
May 19, 2020
0
12
Laser-induced ionization in matter—gas, cluster, liquid, and solid—occurs when a laser pulse with sufficient intensity is focused into a target material, creating electrons and ions through nonlinear processes of laser-matter ...
Optics & Photonics
Apr 27, 2020
0
8
U.S. Naval Research Laboratory scientists developed Ice-tethered Acoustic Buoys to monitor the acoustic and oceanographic environment in the changing Arctic. The buoys provide critical oceanographic data to improve prediction ...
Environment
Feb 19, 2020
0
13
Type III solar radio bursts are generated by non-thermal electron beams propagating through the solar corona and interplanetary space. In dynamic spectra, the flux of solar type III radio bursts have a time profile of rising ...
Astronomy
Jan 21, 2020
0
20
An Osaka University research team has introduced a new terahertz detector that allows extremely rapid wireless data communication and highly sensitive radar by using a frequency range that has previously been very difficult ...
Optics & Photonics
Dec 2, 2019
0
6
