Benjamin Franklin, Benjamin Franklin facts, Benjamin Franklin inventions, Benjamin Franklin science,

Did you Know? Benjamin Franklin invented bifocal lenses

Benjamin Franklin, Benjamin Franklin facts, Benjamin Franklin inventions, Benjamin Franklin science,

You may know Benjamin Franklin as one of the Founding Fathers of the United States of America and the man who performed the lightning rod experiment, but did you know he also invented bifocal lenses? He was both far-sighted and near-sighted, and he was sick of constantly changing his glasses. As a result, he devised the idea of combining both lenses into a single frame.

Related Facts
tunisia, Arab country, Islam

Djerba pilgrimage

cupcakes, cakes, cake facts. cupcake facts, cake fact, bleuberry vake, cheesecake, cake, muffin. muf

Did you Know? Before birthday cake candles, candles on the cakes were saved for the goddesses on moon.

silk

The world's strongest natural textile, according to legend, is silk.

mirror, bloody marry, folklore, myth, test, summon, spirit

"MIRROR COVERING IN THE HOUSE OF MOURNING"

Switzerland

One of the countries with the highest standard of living.

hollywood movies, best hollywood movies, new hollywood movies, new hollywood movies 2021, latest hol

In Old California Is the First Film Shot in Hollywood

ulcers, bacteria, pain, infection

From minor trickling to potentially fatal bleeding, stomach ulcers can bleed.

randy, student facts, longest sleep, sleep deprivation, fun facts, did you know facts

The Longest someone has gone without sleep is 11 days and 25 minutes

kerala, india

The Meaning of the Name Wayanad

Fennel seeds

Fennel seeds can help prevent cancer.

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

Sunflower is an Edible Flower.

Wisdom teeth

Wisdom teeth are problematic.

 Skin Glows

Your Skin Glows When You Dance

mirror, bloody marry, folklore, myth, test, summon, spirit

Mirrors have been linked to hallucinations.

anewhope, disney, lucas, unitedartists, refusal, universal

Fun Fact! Several studios turned down Star Wars (1977).

hong kong, Special Administrative Region, Republic of China, China, one nation, two systems

"Albert is very amused by my obtaining the island of Hong Kong."

chess facts, facts about chess, chess game facts, the queens gambit, netflix chess

The actors memorized and played all the chess games in Netflix's The Queen's gambit.

earthquake, earth, calamity, australia, kuril , magnitude

Earthquakes Can Be Sensed on the Other Side of the Globe

taste buds

Everyone has a unique set of taste buds.

venus flytrap

Flowers are produced by Venus flytraps.

chia seed

There are "healthy" lipids in chia seeds.

Sound Waves

How Do You Capture Sound Waves?

Times Square, New York, New Year

The man who is credited with writing Auld Lang Syne did not complete it.

toothbrush

Around 1844, the first three-row bristle toothbrush was invented.

Abraham Lincoln, Abraham Lincoln assassination, john wilkes booth, lincoln assassination, president

Did you Know? Abraham Lincoln Was Also a Licensed Bartender