Researchers have built a microscopic 3D-printed optical device that funnels light from 37 separate multimode semiconductor lasers into a single optical fiber, merging 222 distinct spatial modes; the ...
Investor's Business Daily on MSN
Stock market today: Bears smash Dow 739 points lower as utilities rally; oil giant hits profit rule (live coverage)
The Dow Jones index sold off 650 points Thursday as oil prices surged. Dollar General tumbled on earnings.
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