On-chip, electronically tunable frequency comb

Lasers play a vital role in everything from modern communications and connectivity to bio-medicine and manufacturing. Many applications, however, require lasers that can emit multiple frequencies—colors of light—simultaneously, ...

Quantum sensing method measures minuscule magnetic fields

A new way of measuring atomic-scale magnetic fields with great precision, not only up and down but sideways as well, has been developed by researchers at MIT. The new tool could be useful in applications as diverse as mapping ...

Microsoft is exploring data centers powered by fuel cells

(Phys.org) —Fuel cell powered data centers may not be ready today but Microsoft is exploring the idea in a vision of data centers that one day can get out from under reliance on the electricity grid. Microsoft has released ...

A decade on, smartphone-like software finally heads to space

Once a traditional satellite is launched into space, its physical hardware and computer software stay mostly immutable for the rest of its existence as it orbits the Earth, even as the technology it serves on the ground continues ...

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