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Chickens may illuminate how humans developed sharp daylight vision

Humans belong to a select club of species that enjoy crisp color vision in daylight, thanks to a small spot in the center of the retina at the back of the eye. Other club members include monkeys and apes, various fish and reptiles, and many birds, which must home in on their scurrying dinners from afar or peck at tiny seeds.

Artificial iris responds to light on its own

2 days agoTechnology / Gadgets : Gizmag

While the pupil may be the opening in the eye that lets light through to the retina, the iris is the tissue that opens and closes to determine the size of the pupil. Although mechanical irises are already a standard feature in cameras,...Show More Summary

Apple iMac 27-inch with Retina 5K display (2017): CPU and GPU upgrades deliver better value for money

Some iMac owners may be tempted to wait for the forthcoming iMac Pro, but this 2017 update proves that the veteran iMac is still alive and kicking.

Review: Apple's 2017 27" 5K iMac impresses with truly powerful desktop-class graphics

Apple has radically overhauled its iMac lineup for 2017, giving its 27 inch Retina 5K models dedicated graphics driven by AMD Radeon Pro 570, 575, and 580 GPUs; a brighter display with enhanced P3 wide color; more powerful Intel Kaby Lake CPUs; upgradable RAM sockets and modern, ultrafast USB C and Thunderbolt 3 connectivity.

Watch: Apple's 21.5" iMac with Retina 4K display gets dedicated graphics, Kaby Lake

All of Apple's 21.5-inch 4K iMac models now have the necessary pixel pushing power of dedicated graphics cards, thanks to the latest refresh. Take a closer look at the updated all-in-one desktop in AppleInsider's video review.

Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh

Apple has radically overhauled its iMac lineup for 2017, giving its 21.5 inch Retina 4K models dedicated graphics driven by AMD Radeon Pro 555/560 GPUs; a brighter display with enhanced P3 color; more powerful Intel Kaby Lake CPUs; upgradable RAM sockets; faster SSD drives and modern, ultrafast USB C and Thunderbolt 3 connectivity.

Mike Zimmer “just about out of the woods” with eye issue

Vikings coach Mike Zimmer missed a couple of weeks of the team’s offseason program after having his eighth eye surgery since suffering a detached retina last November, but his chances of avoiding a ninth are looking good. Zimmer, who missed one game last season while dealing with the issue, said Thursday that doctors told him…

Mike Zimmer says eye is doing great

Minnesota Vikings coach Mike Zimmer says the retina in his right eye that has required eight surgeries is "perfect" as he prepares to take a little break before training camp        

Apple iMac 27-Inch with 5K Display Review (2017): Serious Power

The Apple 27-inch iMac with 5K Retina display is a must for photo and video editors, thanks to its stunning display and potent performance, but it's also a great choice for anyone who wants a capable desktop.

Tissue engineering: NIH competition to create 'eye in a dish'

last weekAcademics : Nature

The National Eye Institute of the US National Institutes of Health (NIH) has launched a competition to develop a working model of the human retina from stem cells — namely, the 3-D Retina Organoid Challenge (see www.nei.nih.gov/3droc). This will help to clarify the mechanisms

10.5" iPad Pro teardown finds Apple's 120Hz ProMotion display requires four connecting cables

Pushing the pixels of the 10.5-inch iPad Pro Retina display at a blazing 120Hz refresh rate requires more bandwidth, which led Apple to double the number of connecting cables for the new iPad's LCD screen, a teardown of the device has discovered.

Watch: 2017 12" MacBook with Intel Kaby Lake vs. 2016 Skylake version

As part of last week's MacBook refresh, Apple released an upgraded version of the 12-inch MacBook with Retina display, incorporating Intel's latest Kaby Lake processors, faster SSDs and minor aesthetic improvements. AppleInsider pits the new version against its predecessor in this video.

iFixit offers $300 32GB RAM upgrade kit for latest 21.5-inch iMac, says SSD upgrades coming soon

2 weeks agoTechnology / Apple : 9 to 5 Mac

iFixit discovered yesterday that the RAM in the new 21.5-inch iMac with Retina 4K display was upgradable, and a day later is already offering a kit to take advantage of this fact. The firm notes that the base model 3.0GHz machine tops out at 16GB of RAM, and that the only way to get 32GB direct from Apple is buy the more expensive 3.4 GHz version … more…

The Hidden Hazards of Digital Devices and Blue Light on Kid’s Eyes

As children’s eyes are still developing, blue light can penetrate much more efficiently and directly into the retina. Here's how to get the kids away from the electronics. The post The Hidden Hazards of Digital Devices and Blue Light on Kid’s Eyes appeared first on The Good Men Project.

Retina may be sensitive gauge of blast-wave pressure injury

(Elsevier) Although traumatic brain injury (TBI) is a well-recognized consequence of extreme blast waves, it is less appreciated that over 80 percent of combat veterans with TBI also develop visual problems. A new study reports that blast exposure that does not cause detectable changes in the brain can result in long-term retinal injury. Show More Summary

Teardown of new 21.5-inch iMac surprisingly reveals user-upgradable RAM, modular CPU

2 weeks agoTechnology / Apple : 9 to 5 Mac

iFixit has wasted no time in carrying out a teardown of the new 21.5-inch iMac with Retina 4K display, and has found that the RAM is user-upgradable, and the machine has a modular CPU. This means that – in theory – even the processor could be upgraded at a later date … more…

Apple’s next major display innovation is coming soon, but not to the iPhone

One of the iPhone features Apple steadily improved over the years was the smartphone’s screen. The Retina display quality soon became the norm in the smartphone business, with competitors matching and even surpassing the iPhone’s Retina resolution in their own creations. Show More Summary

iMac 2017 review: Brighter, more colorful, faster, and more powerful

It's iMac, only better. Three years ago Apple introduced the 5K iMac with Retina display. Two years ago Apple introduced the smaller 4K iMac with Retina display and gave both DCI-P3 wide color. Now Apple is taking those displays, and...Show More Summary

Vision: These retinas are made for walkin'

2 weeks agoAcademics : Nature AOP

Measurements of the activity of neurons called direction-selective ganglion cells in the mouse retina explain how visual motion encoded by the eye maps onto body movements such as walking.

HomePods first impression: Like Retina but for ears

HomePods are seriously great computational speakers. Oh, and they also do Siri + HomeKit. HomePod looks… like a pod. A pod textured like a speaker, available in white and black. It has a power cord at the bottom a display on the topShow More Summary

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