With a 4k1 collector resistor and 16mA drive into the led, the chosen (read ‘cheapest on ebay’) 6N135 is supposed to beat 1.5μs for both turn on and turn off, with typical figures of 90ns and 800ns.

Scientists developed a wireless brain implant smaller than a grain of sand that recorded neural activity in mice for 365 days ...

Halide perovskites is a recently emerged platform for the creation of efficient memristors. In turn, single-crystal inorganic ...

Quantum mechanics is usually described as the science of the very small — of electrons, atoms, and photons that behave in ways that defy the rules of everyday experience. Yet one of the most striking ...

When challenges at home or concerns about the world at large begin to creep into your thoughts during the workday, it can be difficult to stay present and productive. These persistent distractions can ...

A federal appeals court on Saturday temporarily lifted a judge’s order blocking White House efforts to federalize National Guard troops for use in Chicago, but left her block on their deployment in ...

When we moved into our new home — a major fixer-upper — I thought it wasn’t cozy because of the arctic-blue painted walls (everywhere) and swirly brown 1970s carpets. And sure, the décor wasn’t ...

Three scientists won the Nobel Prize in physics Tuesday for research on the strange behavior of subatomic particles called quantum tunneling that enabled the ultra-sensitive measurements achieved by ...

A blaze that engulfed the South Carolina home of a state circuit court judge and her husband, a former state senator, is under investigation, authorities said. Firefighters from multiple fire ...

This engineering exam, which is a gateway to some of the premium engineering colleges such as IITs, NITs and more, cover ...