May Day: How electricity brought power to strikes

Areas in Sweden with early access to electricity at the start of the 1900s underwent rapid change. Electrification led to more strikes, but it was not those who were threatened by the new technology who protested. Instead, ...

Increasing optical data transmission speed

Pulsed lasers repeatedly emit light for a short period of time as if blinking. They have the advantage of focusing more energy than a continuous wave laser, whose intensity is kept unchanged over time. If digital signals ...

page 1 from 14