X-ray lasers: Why does brighter mean darker?
When we illuminate something, we usually expect that the brighter the source we use, the brighter the resulting image will be. This rule also works for ultra-short pulses of laser light—but only up to a certain intensity. The answer to the question.....»»
Scientists use 196 lasers to recreate the conditions inside gigantic galaxy clusters
Galaxies rarely live alone. Instead, dozens to thousands are drawn together by gravity, forming vast clusters that are the largest objects in the universe......»»
Russia’s Ukraine invasion could trigger a second microchip crisis
Ukraine supplies 70 percent of the world's output of neon, a critical gas that runs lasers needed to manufacture microchips......»»
The far infrared emission of galaxies with active supermassive black holes
More than 30 years ago the Infrared Astronomy Satellite discovered that the universe contained many almost invisible yet enormously luminous galaxies—some of them more than 1,000 times brighter than our own Milky Way. These galaxies shine primarily.....»»
US and allies block tech exports to Russia in response to invasion of Ukraine
Export ban affects chips, telecom, encryption tech, lasers, sensors, and more. Enlarge / Ukrainians living in Greece demonstrate in front of the Russian consulate in Thessaloniki on February 24, 2022, after Russia invaded Ukraine. (cre.....»»
Ukraine War Flashes Neon Warning Lights for Chips
Russia's invasion of Ukraine by land, air and sea risks reverberating across the global chip industry and exacerbating current supply-chain constraints. Reuters Breakingviews: Ukraine is a major producer of neon gas critical for lasers used in chipma.....»»
Ambitious conservation action sees a brighter future for mangroves and seagrass
Ambitious restoration of mangroves and seagrasses could lead to substantial recovery of these ecosystems New research has found......»»
Save 45% on a cute smart toothbrush that guides you to brush better
SAVE 45%: Brush your way to a brighter smile with the hum by Colgate Smart Sonic Toothbrush, which is on sale for just $19.99 at Walmart as of Feb. 11. That's $16 in savings.In your quest for a clean mouth and brighter smile, it's hard to measure you.....»»
Development of an artificial vision device capable of mimicking human optical illusions
Researchers have developed an ionic artificial vision device capable of increasing the edge contrast between the darker and lighter areas of an mage in a manner similar to that of human vision. This first-ever synthetic mimicry of human optical illus.....»»
First “OLED EX” TVs announced, promising brighter high-contrast picture
The 4K OLED807 also goes up to 120 Hz and updates AI features. Enlarge / Philips OLED807. (credit: TPVision) Philips has revealed the first TVs to use LG's new type of OLED panel, OLED EX. The Philips OLED807 line of 4K HDR.....»»
Breath of the Wild 2 trailers, news and rumors
Breath of the Wild 2 is (probably) coming to Nintendo Switch in 2022, and Nintendo's teaser suggests that it could go in a darker direction......»»
Sunlight could be used to power lasers
Sunlight, one of the planet's most abundant sources of renewable energy, could be used to power lasers, according to a study from Heriot-Watt University......»»
FedEx hopes to add antimissile lasers to its cargo jets
FedEx wants to fit an antimissile system to some of its planes despite the rare nature of such attacks on civilian aircraft......»»
FedEx hopes to add anti-missile lasers to its cargo jets
FedEx wants to fit an anti-missile system to some of its planes despite the rare nature of such attacks on civilian aircraft......»»
Dyson Outsize Absolute+ review: the ultimate stick vac
Wondering if lasers on your vacuum are a gimmick? Turns out they're not. Find out what lasers bring to the Dyson Outsize Absolute+......»»
Giant Lasers Simulate Exoplanet Cores, Prove They"re More Likely to Have Life
Slashdot reader vikingo9 writes, "By smashing a piece of iron to insanely high pressures, using a laser the size of a football stadium, a team of scientists led by Lawrence Livermore National Laboratory have discovered that exoplanets 4-6 times large.....»»
FedEx Asks FAA To Let It Install Anti-Missile Lasers On Its Cargo Planes
With the right military equipment, a single person can target a plane from three miles away using a heat-seeking missile. While such a nightmare is a rare occurrence, FedEx has applied to the FAA seeking approval to install a laser-based, anti-missil.....»»
Researchers propose multi-aperture vertical cavity surface emitting lasers of varying size and shape
Vertical cavity surface emitting lasers (VCSELs) present the basis for large data rate optical interconnects in data centers. Presently VCSELs have replaced edge-emitting lasers for distances below 500 m due to their advantages such as on-wafer test.....»»
Exploring the hyperchaos of mid-infrared lasers
Chaos, often popularized as the 'butterfly effect', describes the irregular phenomenon of deterministic systems. Based on the unique features of sensitivity to initial conditions and unpredictability of future evolutions, chaos from laser diodes has.....»»
LG 2022 OLED TVs get brighter, bigger and … smaller?
LG has announced its new OLED TVs for 2022, offering brighter, bigger, and smaller options. We went hands on ahead of the big show for a close look......»»
The hunt is on for a “new Eden” in Snowpiercer S3 trailer
"For the first time since the world ended, a brighter future awaits beyond the train." Sean Bean is back as Mr. Wilford in the third season of Snowpiercer. We finally have a full trailer for the upcoming third season of Snowpiercer, and t.....»»