Engineers develop 'smart glasses' that automatically focus on what wearer sees
The days of wearing bifocals or constantly swapping out reading glasses might soon come to an end.
The days of wearing bifocals or constantly swapping out reading glasses might soon come to an end.
Optics & Photonics
Jan 25, 2017
9
4326
(PhysOrg.com) -- US company PixelOptics has invented electronic spectacles that can automatically change focus as you lower your head to read a book, and could spell the end of the bifocal.
Four thousand Martian days after setting its wheels in Gale Crater on Aug. 5, 2012, NASA's Curiosity rover remains busy conducting exciting science. The rover recently drilled its 39th sample, then dropped the pulverized ...
Planetary Sciences
Nov 6, 2023
2
151
MIT researchers have developed novel photography optics that capture images based on the timing of reflecting light inside the optics, instead of the traditional approach that relies on the arrangement of optical components. ...
Optics & Photonics
Aug 13, 2018
0
504
Researchers from Cornell University's School of Applied and Engineering Physics and Samsung's Advanced Institute of Technology have created a first-of-its-kind metalens—a metamaterial lens—that can be focused using voltage ...
Nanophysics
Jun 10, 2021
2
1002
A radically different type of X-ray space telescope has been designed by scientists in Sweden, using advanced optic techniques that were originally developed in medical imaging research.
Astronomy
Jun 18, 2019
0
161
Characterized by large aperture and long focal length, the reflective optical system has the advantages of small number of optical elements and simple optical structure. But the intrinsic aberration and the misalignment derived ...
Optics & Photonics
Jan 18, 2022
0
236
For the first time, researchers have created a metasurface lens that uses a piezoelectric thin film to change focal length when a small voltage is applied. Because it is extremely compact and lightweight, the new lens could ...
Optics & Photonics
Feb 17, 2022
0
84
A 3-D camera should be as easy to use as one found on a smartphone.
Optics & Photonics
Mar 25, 2020
0
96
The odd, wavy pattern that results from viewing certain phone or computer screens through polarized glasses has led researchers to take a step toward thinner, lighter-weight lenses. Called moiré, the pattern is made by laying ...
Optics & Photonics
Jan 4, 2021
0
175