Space.com on MSN5d
This new telescope lens could be a game-changer for space imagery
Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...
Hackaday2y
The Origin Of The Fresnel Lens
If you are a Hackaday reader, you probably know what a Fresnel lens is. You find them in everything from overhead projectors to VR headsets. While it seems commonplace now, the Fresnel lens was an ...
Hackaday3mon
A Look Inside IKEA’s Vallhorn Motion Sensor Teardown
a passive infrared sensor (PIR) sensor coupled with a Zigbee interface. Inside the ultrasonic welded case is a small PCB and a Fresnel lens on the inside of the top cover, and a small PCB for the ...
Fast Company10mon
fresnel lens
Fresnel lenses are all around us, but this vase puts the commonplace technology to work in an entirely new way. Borrowed From Old Lighthouses, A Method For Super-Powerful Solar Power With the help ...