Search results for signal gain

Space Exploration Feb 7, 2023

High-gain antenna for NASA's Roman mission clears environmental tests

Engineers at NASA's Goddard Space Flight Center in Greenbelt, Maryland, have finished testing the high-gain antenna for the Nancy Grace Roman Space Telescope. When it launches by May 2027, this NASA observatory will help ...

Plants & Animals Jan 26, 2023

Sperm motility and anchoring of the spore capsule in spreading earthmoss

As a component of moors, mosses are important for climate conservation. They are also gaining increasing significance in biotechnology and the manufacture of biopharmaceuticals. For the most varied of reasons, mosses are ...

Optics & Photonics Jan 26, 2023

Building off the 'anti-laser,' researchers create a device that directs waves

Building off a breakthrough "anti-laser," a team of researchers has developed a system that can direct light and other electromagnetic waves for signal processing without any unwanted signal reflections—an innovation that ...

Cell & Microbiology Jan 25, 2023

Special vascular cells adjust blood flow in brain capillaries based on local energy needs

When we smell hot dogs, it may trigger memories of backyard barbeques or attending baseball games during childhood. During this process, the areas of the brain that control smell and long-term memory are rapidly firing off ...

Biotechnology Jan 24, 2023

New DNA biosensor could unlock powerful, low-cost clinical diagnostics

DNA can signal the presence of or predisposition to a slew of diseases, including cancer. The ability to flag down these clues, known as biomarkers, allows medical professionals to make critical early diagnoses and provide ...

Astronomy Jan 3, 2023

Searching for life on alien worlds

Twenty-seven years ago, at the University of Geneva, Michel Mayor and Didier Queloz—now a professor at ETH—discovered the first extrasolar planet orbiting a sun-like star. Much has happened since that initial discovery: ...

Environment Dec 30, 2022

Miracle or mirage? Atmospheric rivers end California drought year with heavy snow and rain

After the driest start to any year on record, California will end 2022 with snow-capped mountains, soaked roadways and—in some places—flood warnings.

Earth Sciences Dec 22, 2022

Hawai'i earthquake swarm caused by magma moving through 'sills'

Magma pumping through a massive complex of flat, interconnected chambers deep beneath volcanoes in Hawai'i appears to be responsible for an unexplained swarm of tiny earthquakes felt on the Big Island over the past seven ...

Quantum Physics Dec 22, 2022

A nonlinear exceptional nexus with an ultra-enhanced signal-to-noise ratio

Prof. Duanduan Wan and Prof. Meng Xiao at the School of Physics of Wuhan University recently published a study in the journal National Science Review. Their work provides a simple while intuitive example, demonstrating with ...

Space Exploration Dec 22, 2022

How the Hera asteroid mission will phone home

This is the antenna that will transmit back the first close-up images of the distant Dimorphos asteroid since its orbit was shifted by a collision with NASA's DART spacecraft.

page 15 from 40