lenses

New ultra-thin camera creates images without lenses

Traditional cameras - even those on the thinnest of cell phones - cannot be truly flat due to their optics: lenses that require a certain shape and size in order to function.

Jun 24, 2017, 18:47 PM IST

'Twilight'-inspired contact lenses prompt warning

Youngsters buying the lenses may wish to recreate the look of the Twilight films and Vampire Diaries TV show.

Oct 24, 2015, 18:26 PM IST
Snapchat now allows replaying messages, add effects to selfies

Snapchat now allows replaying messages, add effects to selfies

Snapchat has released an update to add two new features to its app, paid replays and a selfie-altering mode called 'Lenses'.

Sep 17, 2015, 09:43 AM IST

Big collisions `make galaxies denser`

Using gravitational “lenses” in space, astronomers have discovered that the centres of the biggest galaxies are growing denser, which is an evidence of repeated collisions and mergers by massive galaxies with 100 billion stars.

Oct 13, 2012, 15:32 PM IST

Sunglasses that can change colour rapidly

The process for creating the lenses, for which a patent is pending, also is less expensive and less wasteful to manufacturers than previous methods.

Jul 13, 2011, 15:49 PM IST

Sunglasses that can change colour rapidly

The process for creating the lenses, for which a patent is pending, also is less expensive and less wasteful to manufacturers than previous methods.

Jul 13, 2011, 15:49 PM IST

Looking through telescopes, lenses with more clarity

Aerogels are among the most versatile materials available for technical applications.

May 18, 2011, 14:52 PM IST

Looking through telescopes, lenses with more clarity

Aerogels are among the most versatile materials available for technical applications.

May 18, 2011, 14:52 PM IST

World`s first electronic specs to make tedious bifocals history

If you`re one of the many who rely on bifocal lenses, you may soon get a new view of life this summer.

Apr 26, 2011, 14:06 PM IST

World`s first electronic specs to make tedious bifocals history

If you`re one of the many who rely on bifocal lenses, you may soon get a new view of life this summer.

Apr 26, 2011, 14:06 PM IST

Soon, contact lenses to help diabetics

Your contact lenses would one day help you manage diabetes, say researchers.

Dec 28, 2009, 09:39 AM IST

Soon, contact lenses to help diabetics

Your contact lenses would one day help you manage diabetes, say researchers.

Dec 28, 2009, 00:00 AM IST

New generation of lenses to improve radar, telecom

Scientists have invented a new generation of lenses which can radically improve the capabilities of telecom or radar systems, providing greater perspective and detail.

Dec 21, 2009, 13:31 PM IST

New generation of lenses to improve radar, telecom

Scientists have invented a new generation of lenses which can radically improve the capabilities of telecom or radar systems, providing greater perspective and detail.

Dec 21, 2009, 13:31 PM IST