Mirrors

Mirrors reflect both light and sound.

Mirrors

The second of our fascinating mirror facts is that acoustic mirrors are those that reflect sound waves. Mirrors were used in the Second World War to detect sounds coming from enemy aircraft prior to the development of radar.

Related Facts
Bronte, sisters, Bronte sisters, Charlotte, Emily, Pensionnat Héger, Brussels, Belgium, liter

The Bronte sisters released a book of poetry that was not successful.

Malta

Malta has been an independent country since 1964.

braille, blind, shorthand, abbreviated, contracted version

There are two versions of braille – contracted and uncontracted.

hindi, Urdu, language, Hindustani, north India, India

The Hindi alphabetical table is known as 'Varnmala,' which means 'Garland of letters.'

kaleidoscope

Raw Materials Are Used

Wyoming,  William Bradford Ross, Nellie Tayloe Ross,  female governor

Wyoming is home to Yellowstone National Park.

Sunflower, Guinness Book of World Records, flowers, Hans-Peter, Germany

Sunflower is an American Native

hypnosis, sleep, scientists, hypnotic, illusion

Stage hypnosis is not appropriate for everyone.

vitamin D

A Lower Risk of Some Cancers Is Associated With Adequate Vitamin D Intake

Chhath puja, vrat, bihar, india, culture, hinduism

CHHATH'S SPECIAL PRASAD OR HOLY FOOD

lime lemon

Limes float, but lemons sink.

Indonesia

Indonesia is the most active region on the Pacific Ring of Fire.

einstein, einstein brain, einstein death, Albert Einstein, Albert Einstein bio, Albert Einstein biog

Albert Einstein's theories are more important than you may realise.

sweden, norway

Solar System Scaling

plane, fact about planes, facts about airplane, facts about aircraft

Did you Know? In-flight oxygen masks aren't intended to last the whole flight.

Coca-Cola, Coca Cola, Coca Cola facts, Coca Cola fact, the great depression, coke facts, facts about

Coca-Cola is illegally accessible in every country on the planet.

summer, summer season, summer carnival

Summer midnight match.

panther, huge, animal, jaguar, leopard, tigers, lions, melanism, cat

A Panther is a Jaguar or a Leopard.

pcos, pcos symptoms, pcos meaning, pcos treatment, pcos diet, metformin for pcos, how to cure pcos p

Do all PCOS patients have irregular menstruation?

grapefruit

Even the Pith Is Beneficial

Spiders

Spiders have unusual muscles.

brazil facts, brazil dance, facts about brazil, all about brazil, brazil, brazil history, brazil sam

Did you Know? Brazil is Eclectic and Diverse

glass, sand, lime, soda, ash, high temperature

The 17th century saw the invention of glass windows.

nails, nail

The practice of biting your fingernails has a formal medical name.

butterfly, chitin, protein,  insect exoskeleton, translucent

The Giant Swallowtail Butterfly is one of the largest butterflies.