Internet

Web surfing that feels instantaneous, even though it's not

If the coronavirus pandemic drove your life online, you've probably been there: Maybe you're using video chat to get work done or connect with far-flung friends. No matter how much bandwidth you have, the lag between one ...

Internet

The modern world is fast becoming a wireless, infrared world

Optics-based technologies such as optical fibers have strongly influenced the age of wired communication. Now they look set to revolutionize wireless communications as well and solve key issues with traditional radio-based ...

Electronics & Semiconductors

A combined optical transmitter and receiver

Researchers at Linköping University, together with colleagues in China, have developed a tiny unit that is both an optical transmitter and a receiver. "This is highly significant for the miniaturisation of optoelectronic ...

Engineering

Monitoring electromagnetic signals in the brain with MRI

Researchers commonly study brain function by monitoring two types of electromagnetism—electric fields and light. However, most methods for measuring these phenomena in the brain are very invasive.

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