Doug Shapiro has been writing on The Mediator about "infinite content" for months now. He sees a new twist in Reed Hastings' ...

Understand Thevenin’s Theorem the easy way with a clear, step-by-step circuit example. Learn how to simplify complex electrical networks into an equivalent circuit, making analysis faster and ...

EMBED <iframe src="https://archive.org/embed/retro-sample-cds" width="560" height="384" frameborder="0" webkitallowfullscreen="true" mozallowfullscreen="true ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

The precious Mars samples collected by the Perseverance rover could be coming to Earth sooner rather than later. When you purchase through links on our site, we may earn an affiliate commission.

Why is sample preparation important? Increasingly, NGS is being asked to handle more challenging samples, from diverse origins, of lower quality or of small size. Before these samples can be analyzed, ...

An illustration of the various elements of the overall Mars Sample Return effort. Credit: NASA/JPL-Caltech LAS VEGAS — Companies selected by NASA to study alternative approaches to Mars Sample Return ...

Journalists can’t report accurately on research involving human subjects without knowing certain details about the sample of people researchers studied. It’s important to know, for example, whether ...

NASA announced Friday that it will award contracts to seven companies, including SpaceX and Blue Origin, to study how to transport rock samples from Mars more cheaply back to Earth. The space agency ...