kaleidoscope

Mirrors serve as the primary optical system.

kaleidoscope

The mirrors in kaleidoscopes are the primary optical system. Kaleidoscopes typically have more than two mirrors. The objective is to reflect the items inside the tube into a variety of shapes.

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

"In the 17th century, glass windows were invented."

European Country

The European Country with the Lowest Obesity

Egypt

Egypt Is Home To 7 UNESCO World Heritage Sites

lizard, reptile,  tail, autonomy, species

If they are taken off guard, some lizards can detach their tails.

Buddhist, emptiness, Marcel, Buddha, religious activities

Fill your heart, not your mind.

Hindi, Urdu, language, Hindustani, north India, India

You will be able to communicate in Urdu if you know Hindi.

pat, patwelsh, california, et, voice, ciggaretts, raspy, raccons, seaotters, horses

The name of E.T. is revealed in the unfinished sequel.

 Egyptian documents

According to Egyptian documents, copper possesses antimicrobial qualities.

mexico,  television, color, Guillermo Gonzalez Camarena

Hornets were utilised as a weapon of war by the Mayans.

Persian rugs, hand-knotted, rugs, caliber

Persian rugs are similar to walking on art.

myanmar, pagodas, kingdom, pagan, buddhism, temples, burmese, burma

The Kingdom of Pagan in Myanmar

redhead, red hair, ginger hair, women

Skin cancer is more common among redheads.

athena, athena goddess, about athena the greek goddess, greek gods, greek gods and goddesses, ancien

Perseus Took Medusa’s Head

marie curie

Did you Know? The notes of Marie Curie are still radioactive.

Girls

Girls participate in fewer sports than guys.

Netflix original  Kibble

On paper, Netflix's original name was Kibble.

University

University Is Inexpensive-Ish

comics facts, facts about comics, facts about marvel, facts about dc, facts about superheroes, fun f

Did you Know? Baby Groot's Dance Routine took 2 Years?

betel, leaves, minutes, mayanmar, nuts, spices, tobacco, red stain

The red stains and betel leaves in Myanmar

buddhist, emptiness, Marcel, Buddha, religious activities

Karma is a you-know-what.

fish, humans, nostrils, organs, water, smell

Shrimps are well-known for their deliciousness! But did you know that there are over 2,000 different types of shrimp worldwide?

jaywalking, trafficrules, southkorea, pedestrian, south, korea, traffic, accidents, housewarming, to

Did you Know in South Korea.... Toilet Paper Warms the House

 Richard Farnabe

Executive Chef Richard Farnabe and Alexandre Petrossian create the most costly soufflé.

Agoraphobia, phobia, social anxiety, anxiety, fear

Do you know about Acrophobia?

psychology, anger, rage, university, michigan, research, fury, testosterone, negative, positive, equ

Money can purchase happiness, but only to a degree.