Photoinitiators for dental fillings, contact lenses and dentures
Photoinitiators ensure that liquid plastic—for example for dental fillings—hardens quickly by means of light. Thanks to a new synthesis method developed by TU Graz, these initiators can be produced cheaply, something which will open up further do.....»»
Apple Vision Pro custom engraving offered on optical inserts from ZEISS
There’s lots of new Apple Vision Pro info out today as Apple starts collecting pre-orders in the United States. The most exciting detail? You can totally engrave your name on those optical inserts from ZEISS if you need corrective lenses with Visio.....»»
How Apple Vision Pro deals with Monovision -- and what vision problems it can"t deal with
It was known that Apple has Zeiss lenses for correcting vision while wearing the Apple Vision Pro, but there was a surprise third option — Monovision. Here's what it means, what Apple can't correct for, and how to tell if you need to select it when.....»»
What to expect from the Apple Vision Pro in February
Hardware, apps, prescription lenses—we go over the essentials. Enlarge / Apple Vision Pro. (credit: Apple) After years of delays, preorders for the Apple Vision Pro are just a few days away. It’s been a long, winding.....»»
Scientists investigate how heat rises through Europa"s ocean
Europa, one of Jupiter's many moons, may be capable of supporting life because its icy surface likely obscures a deep, salty ocean. Europa's ocean is also in direct contact with its mantle rocks, and interactions between rock, water, and ice could pr.....»»
Apple Vision Pro will launch Feb. 2, preorders start Jan. 19
Package includes 256GB storage and two headstraps; prescription lenses run $149. Enlarge / The Dual Loop Band as seen on a model head. (credit: Apple) Apple's highly anticipated mixed-reality Vision Pro headset will be a.....»»
Oppo’s Find X7 Ultra has four 50 MP sensors, two periscope lenses
Pick from a 50 MP 3x telephoto with a huge sensor or a 50 MP 6x telephoto. The Oppo Find X7 Ultra features some faux leather and a really big camera bump......»»
Prescription lenses for Vision Pro to cost $149 – far less than predicted
Apple has announced that prescription lenses for Vision Pro will cost $149, significantly less than had been predicted by Bloomberg back in the summer of last year. There will also be reading lenses – a range of standard-strength lenses without.....»»
Prescription lenses for Apple Vision Pro are cheaper than expected
Apple has announced two lens families for its forthcoming Apple Vision Pro, a Reader option and full Zeiss prescription lenses, both for considerably less than predicted.A Zeiss optical insert lens, at least similar to the ones being prepared for Vis.....»»
3D printed multilayer structures for high-numerical aperture achromatic lenses
Flat optics are made of nanostructures containing high-refractive index materials to produce lenses with thin form factors that function only at specific wavelengths......»»
Woman sues dentist after 4 root canals, 8 dental crowns and 20 fillings in a single visit
Woman sues dentist after 4 root canals, 8 dental crowns and 20 fillings in a single visit.....»»
Contact-tracing software could accurately gauge COVID-19 risk
Time spent with infected individuals is a key determinant of risk. Enlarge (credit: Maridav) It’s summer 2021. You rent a house in the countryside with a bunch of friends for someone’s birthday. The weather’s gorge.....»»
Xfinity data breach revealed: Names, contact info, security Q&As, and more at risk
An Xfinity data breach has been revealed by the company, in which hackers were able to obtain a wide range of customer information. Data obtained for at least some Xfinity customers “may” include usernames, hashed passwords, real names, contac.....»»
America"s native population arises from a single wave of Asian migration, suggest dental anthropologists
For more than 50 years, dental anthropologists have studied variation in the shape of human teeth to study the patterns of migration that people took as they populated the world. The last major continental migration event took place about 16,000 year.....»»
Studying old texts using modern climate lenses
In Norse mythology, Ragnarok signifies the end of the world. But in modern popular culture, Ragnarok has also been equated with the climate crisis......»»
Study shows Vikings in Sweden suffered from tooth decay
Vikings in Sweden suffered from painful dental issues and occasionally tried to treat them, according to a study published December 13, 2023, in the open-access journal PLOS ONE by Carolina Bertilsson of the University of Gothenburg, Sweden and colle.....»»
A new method to fabricate optical devices that more closely match their design specifications
Photolithography involves manipulating light to precisely etch features onto a surface, and is commonly used to fabricate computer chips and optical devices like lenses. But tiny deviations during the manufacturing process often cause these devices t.....»»
iPhone 16 again rumored to get vertically aligned cameras, likely for spatial video
Back in May, it was reported that the iPhone 16 would get a vertically aligned camera bump similar to the iPhone 12. A new rumor today claims that one of the iPhone 16 designs Apple is testing not only rearranges the camera lenses but also redesigns.....»»
Moment debuts new T-Series 75mm macro lens for iPhone 15
Moment today is expanding its lineup of iPhone and Android smartphone lenses with a new macro offering. Delivering even more detailed close-up shots from your handset, the new Moment 75mm Macro Mobile Lens more….....»»
iOS 17.2 comes with these 10 important security fixes
Apple released iOS 17.2 for all users today with the new Journal app, spatial video capture, iMessage Contact Key Verification, and more. Along with those new features, the update comes with 10 important security fixes across Find My, kernel, Safari,.....»»
Control over friction, from small to large scales
Friction is hard to predict and control, especially since surfaces that come in contact are rarely perfectly flat. New experiments demonstrate that the amount of friction between two silicon surfaces, even at large scales, is determined by the formin.....»»