
Articles
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5 days ago |
photonics.com | Jeff Hecht
Visible lasers debuted with just a couple of shades of red. A series of advancements has grown over the years into a cascade, yielding an amazing range of colors to feed innovation. At the dawn of the laser age, any color could be attained from a laser, as long as it was red. Theodore Maiman’s first laser was a ruby rod that emitted pulses at 694 nm, the long end of the visible spectrum.
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1 month ago |
optica-opn.org | Yijie Shen |Edwin Cartlidge |Jeff Hecht
Feature Articles Topological Light Waves: Skyrmions Can Fly Harnessing an emerging class of structured waves as counterparts of localized topological quasiparticles could revolutionize information technology. by Yijie Shen Squeezing on a Chip Bulk optics gives us light beyond the quantum limit, but integrated photonics promises an extended reach—from biological imaging to quantum computing.
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1 month ago |
optica-opn.org | Jeff Hecht
Skip To Content Feature Looking back at large, federally funded laser projects half a century later shows the impact of such efforts on the optics industry.
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1 month ago |
newscientist.com | Jeff Hecht
More Everything ForeverAdam Becker (Basic Books On sale 22 April (US); 8 May (UK))With Elon Musk and his minions stomping through Washington government offices like Godzilla in Tokyo, and other tech multi-billionaires having gained US President Donald Trump’s ear, the super-rich are getting super-scary. Science writer Adam Becker shares his disconcerting analysis in He finds would-be rulers of the universe with egos the size of planets…
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Nov 6, 2024 |
skyandtelescope.org | Jeff Hecht
Scientists have found possibly the oldest and largest crater on Venus — and it’s like none they’ve ever seen on our sister planet. Detailed mapping of one of the oldest terrains on Venus has revealed a giant impact structure of a type never before seen on any terrestrial planet. Oddly, the keys to understanding it came from studying craters on two icy moons of Jupiter. Venus is the least understood of the rocky planets because its thick atmosphere obscuring its surface.
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NASA's Perseverance rover has reached the rim of the Jezero crater and is on its way to explore Witch Hazel Hill https://t.co/fW8xX29oLt

By far the oldest and largest impact crater has been found on Venus https://t.co/jiztbIinsq

We finally have found where most meteorites come from https://t.co/DVRW9UDZcT