Echolocation

Bats build mental maps to recognise surroundings

Bats build mental maps to recognise surroundings

The study proposes that template-based place recognition might underlie the sonar-based navigation known as echolocation that bats usually are known to use for navigating and finding food in the dark. 
 

Aug 04, 2016, 08:31 AM IST
A hearing aid that guides blind walk safely

A hearing aid that guides blind walk safely

A tech start-up, floated by a former Wipro geek, has innovated a smart hearing aid with sensors to make the visually challenged (blind) walk safely by avoiding objects on way.

Sep 16, 2015, 22:03 PM IST

Bats are fast decision makers

 Bats are capable of making ultra-fast decisions about how to attack their prey - or maybe even call off the attack and it takes only milliseconds, finds a new research.

Mar 19, 2015, 12:56 PM IST

Human echolocation can help blind 'see'

The ability to detect objects in the environment by sensing echoes from them is more than just a functional tool to help visually-impaired people, shows a study.

Dec 25, 2014, 10:54 AM IST
Bats change tactics when food is scarce

Bats change tactics when food is scarce

When food is scarce, bats change their tactics and turn more flexible in their echolocation behaviour.

Sep 05, 2014, 15:27 PM IST

Bats may help bolster radar technology

The natural ability in bats to navigate and track targets in the dark of night may help them develop a new and more effective radar or sonar system.

Aug 17, 2014, 17:27 PM IST

How bats use a compass to find their way at night

A European bat type can use the scatter patterns of sunlight to programme its internal compass for hunting after dark -- the first mammal known to do so, researchers said today.

Jul 22, 2014, 22:46 PM IST

Fossilized whale skull shows sonar existed 32 million years ago

Researchers have said that a fossilized whale skull found outside Charleston, South Carolina shows all the tell-tales signs that are related to echolocation.

Mar 16, 2014, 15:40 PM IST

Echolocation behind bats ruling nights

Bats rule the night skies due to the power of echolocation or reflected sound which gives the mammals an evolutionary edge over other nocturnal species, a new study has found.

Dec 14, 2013, 13:30 PM IST

Bats, dolphins evolved echolocation in same way

Scientists have found that there are certain genetic similarities between bats and dolphins and that the evolution of similar traits in different species.

Sep 05, 2013, 14:32 PM IST

Bats catch insects by sonar and not vision during twilight

Researchers have found that echolocation works better than eyesight, even under adequate light.

Sep 04, 2013, 15:47 PM IST

New technique lets blind people locate objects like bats

Blind and visually impaired people have the potential to use echolocation to determine the location of an object, according to new research.

May 21, 2013, 17:14 PM IST

A device to communicate with dolphins!

Scientists have developed a new dolphin speaker device which they say could help one talk with these remarkably intelligent mammals.

May 26, 2012, 10:13 AM IST

Bats, whales have surprisingly similar bio-sonars

Bats and toothed whales use surprisingly similar acoustic behaviour to locate, track, and capture prey using echolocation, the biological equivalent of sonar.

May 09, 2012, 17:38 PM IST