Laser diodes are semiconductors that generate light and amplify it using repeated reflection or "optical feedback." Once the ...
Photonic crystal surface-emitting lasers or PCSELs are laser diodes that generate laser beams through controlled light wave interaction within a photonic crystal structure. In a recent study, ...
China's latest innovation can track the quietest vessels and submarines using the magnetic fields generated by their wakes.
The Tetrahedron Constellation Gravitational Wave Observatory would consist of four satellites positioned in space ...
Scholte-wave dispersion analysis is effective at imaging the relatively low shear-wave velocity of shallow marine sediments in marginal seas. The combination of a four-component ...
Update:Rod Wave cancels whole tour, Nashville show won't be rescheduled. Rapper and singer Rod Wave has canceled his Tuesday night show at Nashville's Bridgestone Arena, calling off the concert ...
While the Chinese AI start-up has found innovative ways to reduce infrastructure costs for deploying AI, it's easily replicated by more mature and secure models. Chinese start-up DeepSeek rocked ...
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Scientists have detected strange chirping waves — which resemble the dawn chorus of birds — thousands of miles from Earth, and they could pose big problems for future spaceflight. Chorus waves ...
(NASA via AP) NEW YORK (AP) — Scientists have detected cosmic waves that sound like birds chirping in an unexpected place. These bursts of plasma, called chorus waves, ripple at the same frequency as ...
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