In your column this week [Dr.Know, WW, July 16], you mentioned how a digital ID transmits more info than a physical ID. But most places scan your ID barcode anyway. So what’s the difference in the ...

Bandwidth represents the theoretical maximum capacity, while the data rate (or throughput) is the actual, real-world speed ...

The speed record for data transmission using a single light source and optical chip has been shattered. Engineers have transmitted data at a blistering rate of 1.84 petabits per second (Pbit/s), ...

Optical fibre communications systems transmit data over long distances, between continents and from data centres to people's homes. Wireless technology often comes in at the final stage, when data is ...

Engineers have set a new speed record for data transmission through a standard diameter optical fiber. By beaming 55 “modes” of signals down a single-core optical fiber, the team was able to transmit ...

The number of sexually transmitted infections has spiked across the Big Apple, disturbing new data from the city’s Department of Health and Mental Hygiene shows. The gonorrhea rate is up 11% among men ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...