A Planet Analog article, “ 2N3904: Why use a 60-year-old transistor? ” by Bill Schweber, inspired some interest in this old ...

How do cells know what they should become as the body develops? Biological development depends crucially on spatial patterns: ...

Abstract: In this article, we present a novel equivalent circuit model for a dual-band unified absorptive common-mode filter (A-CMF). While existing single-band A-CMFs effectively address ...

Neural networks are computing systems designed to mimic both the structure and function of the human brain. Caltech researchers have been developing a neural network made out of strands of DNA instead ...

Followers want comfort, stability, and solutions from their leaders. But that’s babysitting. Real leaders ask hard questions and knock people out of their comfort zones. Then they manage the resulting ...

A person with an addiction uses a substance, or engages in a behavior, for which the rewarding effects provide a compelling incentive to repeat the activity, despite detrimental consequences.

DIRECTV is a direct broadcast satellite provider that transmits to homes throughout the United States and the Caribbean. There are many different packages to choose from, each offering a variety of ...

Abstract: In this work, a modeling methodology is proposed for building up a quasi-analytical equivalent circuit of semiconductor diodes. In particular, it is demonstrated how this nonlinear intrinsic ...

Can you chip in? The Internet Archive is a nonprofit fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

We get it, you're busy. Here are 10 things that came up this week that you should be aware of. View Gallery ...

When you have played the game, why not put your new skills to the test and download this fun activity sheet?

NEW Karate Cats Maths - Halloween update! The Karate Cats are having a spooky glow-up! Take on the frightful fractions, scary subtractions and more to become a monster maths champion.