Search results for optical prescription

Space Exploration May 11, 2021

Space telescope's golden mirror wings open one last time on Earth

For the last time while it is on Earth, the world's largest and most powerful space science telescope opened its iconic primary mirror. This event marked a key milestone in preparing the observatory for launch later this ...

Astronomy Sep 1, 2020

Solar telescope GREGOR unveils magnetic details of the sun

The Sun is our star and has a profound influence on our planet, life, and civilization. By studying the magnetism on the Sun, we can understand its influence on Earth and minimize damage of satellites and technological infrastructure. ...

Materials Science Jul 20, 2020

Single nanoparticles could pave the way for medicines on demand

For the first time, a single, twisted nanoparticle has been accurately measured and characterised in a lab, taking scientists one vital step closer to a time when medicines will be produced and blended on a microscopic scale.

Analytical Chemistry Jan 6, 2020

25-minute test could simplify initial diagnosis of urinary tract infections, fight antibiotic resistance

Biological Engineers at the University of Bath have developed a test that could help medics quickly diagnose urinary tract infections (UTIs), using a normal smartphone camera.

Nanophysics Aug 2, 2018

'Tornado' lab-on-a-chip technology with micro tweezers to detect dangerous viruses, biological contaminants

Purdue University researchers have developed a new class of optical nanotweezers that can trap and detect biomolecules, viruses and DNA more rapidly. The technology can also use light to promptly detect cancer or improve ...

Engineering Apr 24, 2018

Machine speak: Left to their own devices, computers can figure it out

Using novel machine learning techniques, a research team from the Department of Energy's Oak Ridge National Laboratory is teaching electronic devices how to speak for themselves.

Astronomy Mar 19, 2018

Scientists detect radio echoes of a black hole feeding on a star

On Nov. 11, 2014, a global network of telescopes picked up signals from 300 million light years away that were created by a tidal disruption flare—an explosion of electromagnetic energy that occurs when a black hole rips ...

Engineering Jan 11, 2018

Startup aims to make vision care more accessible in developing world

Vision impairment is a major global issue. More than 2 billion people worldwide don't have access to corrective lenses.

Optics & Photonics Jan 10, 2018

Device creates negative mass—and a novel way to generate lasers

Most objects react in predictable ways when force is applied to them—unless they have "negative mass." And then they react exactly opposite from what you would expect.

Biochemistry Aug 22, 2017

Molecular volume control

About two years ago, scientists from the University of Würzburg discovered that a certain class of receptors is capable of perceiving mechanical stimuli. Now they have begun to unravel the molecular mechanisms behind the ...

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