Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must agree, and you ...

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.

It ‘s worth noting that back EMF plays a critical role as a natural current limiter during normal motor operation. When motor ...

Imagine a display so sharp your eyes can’t tell where the pixels end and the real world begins. That’s what a team of Swedish ...

Biobased artificial spider silk captures moisture and generates triboelectric power using simple water-based processing, ...

Copyright © 2025 BBC. The BBC is not responsible for the content of external sites. Read about our approach to external linking.

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Manager: Mitja Mörec Formation: 3 - 4 - 2 - 1 Manager: Jürgen Säumel Formation: 4 ...

Please Note: All times UK. Tables are subject to change. The BBC is not responsible for any changes that may be made. Manager: Fatih Tekke Formation: 4 - 2 - 3 - 1 Manager: Orhan Ak Formation: 4 - 2 - ...

Organic LEDs are light emitting diodes (LEDs) that use polymers or small organic molecules as their optically active element. Development of organic LEDs is driven in particular by its potential as a ...

Inorganic LEDs are light-emitting diodes (LEDs) made from a crystalline semiconductor. The optical emission wavelength can be selected by varying material composition. Example active regions include ...