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Ideas
20 January, 2023

Scientists Information Lightning Bolts With Lasers for the First Time | Sensible Information

Lightning strikes in the night sky above Montevideo, Uruguay

Lightning rods can offer protection to from lightning moves, however they are able to best protect within reach spaces.
MARIANA SUAREZ / AFP by means of Getty Pictures

For the primary time, scientists have diverted lightning by way of the use of lasers. At the Säntis mountain in northeastern Switzerland, they shot rapid-fire beams of sunshine into the sky and effectively guided lightning for fifty meters.

With this good fortune as proof-of-concept, lasers may at some point offer protection to huge infrastructure comparable to airports and launchpads from lightning moves, write the researchers in a paper printed Monday in Nature

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Ideas
16 January, 2023

The Smithsonian Will Repair Loads of the Global’s Oldest Sound Recordings | Good Information

Alexander Graham Bell

Alexander Graham Bell circa 1910
© CORBIS / Getty Pictures

Till about ten years in the past, no person knew what Alexander Graham Bell appeared like. However a leap forward got here in 2013, when Smithsonian researchers recovered a up to now “unplayable” recording of the scientist on a wax-and-cardboard disc. 

“Pay attention my voice,” Bell declared. For the primary time since his dying in 1922, the arena may in spite of everything concentrate to his phrases.

Now, the Smithsonian’s Nationwide Museum of American Historical past has introduced a brand new undertaking: restoring loads of never-before-heard sound recordings made

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