Hackaday

Using Pulleys And Weights To Explain Binary Logic Gates

To demonstrate how computers work, [Alex Gorischek] has made a physical example of how binary logic gates work using pulleys and weights. For anyone who doesn’t know much about logic gates (Wikipedia) ...

Universal scheme efficiently generates arbitrary two-qubit gates in superconducting quantum processors

The operation of quantum computers, systems that process information leveraging quantum mechanical effects, relies on the ...
Hackaday

Building Diode And Diode-Transistor Logic Gates

The fun part about logic gates is that there are so many ways to make them, with each approach having its own advantages and disadvantages. Although these days transistor-transistor logic (TTL) is the ...
Planet Analog

Using isolated ADCs and an XNOR logic gate as a multiplier to measure active power

Find out how a digital technique performs multiplication on two bitstreams and avoids the cost of the analog multiplier.
Wired

Scientists Hack a Human Cell and Reprogram It Like a Computer

All products featured on WIRED are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. Learn more. Cells ...
PC Magazine

discrete logic

A chip that contains one logic gate or a small number of logic gates. Although thousands of gates are routinely placed on a single chip, discrete logic chips with only one or two gates are also ...