We’ll write about it! What’s up with input impedance? You hear people talking about it, but why does it matter? And impedance matching? Let’s break it all down. First of all, impedance is ...

An Earth-independent permanent extraterrestrial habitat (EIPEH) system should function, as intended, under continuous disruptive conditions, such as wild temperature fluctuations, galactic cosmic rays ...

The more measurements scientists have, the more ways they can test different theories about how our moon formed, its relationship to the Earth, and perhaps even how moons might be born around other ...

Just about any circuit or component has three sources of impedance ... of the circuit under test will be higher than at resonance. Clearly, the most basic function of the dip meter is to measure ...

The environments in space habitats and on the Earth are both closed-loop systems ... anything and everything that a habitat requires to function, from food to energy. This concept has to be ...

The boundary between the two lies about 465 miles (750 kilometers) beneath the Earth's surface. The crust is the outermost layer of the Earth. It is the familiar landscape on which we live ...

A pulmonary function test (PFT), or lung function test, is a non-invasive test that measures how well your lungs work.

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

While none of the free COVID-19 tests being shipped by the U.S. Postal Service this year will have already expired, officials acknowledge many now arriving in mailboxes will likely see their shelf ...

Executive function describes a set of cognitive processes and mental skills that help an individual plan, monitor, and successfully execute their goals. The “executive functions,” as they’re ...

NioCorp (NB) Developments has completed testing of its proposed hydrometallurgical ... for use in recycling post-consumer permanent rare earth magnets. The bench-scale testwork was conducted ...

but if life is consistently getting you down and your lows are making it hard to function, you may be depressed. Find out whether your slump is critical with this depression test. This assessment ...