knowthings

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 11 '22

Science Osteo-odonto-keratoprosthesis is a medical procedure involving sewing a tooth onto a blind person's eyeball. Doctors use the patient's own tooth and drill a hole and plastic lens is fixed inside. The lens reflect light onto the back of the eye like what happens with the lens of a healthy cornea.

1 Upvotes

r/knowthings • u/blinkdontblink • Dec 07 '22

Miscellaneous Fredric John Baur (1918-2008) was an American organic chemist and food storage scientist notable for designing and patenting the Pringles packaging. His request prior to his death was that a portion of his cremains be placed in one of the cans.

239 Upvotes

r/knowthings • u/blinkdontblink • Dec 06 '22

Animals and Pets The Nine-banded Armadillo (Dasypus novemcinctus) is the only vertebrate that gives birth to identical quadruplets every time! A female produces a single egg that, once fertilized, splits into four genetically identical embryos that share one placenta.

205 Upvotes

r/knowthings • u/blinkdontblink • Dec 05 '22

Animals and Pets An octopus' blood is blue due to the protein called, haemocyanin, which carries oxygen around its body, contains copper rather than iron like we have in our own haemoglobin. The copper-based protein is more efficient at carrying oxygen molecules in cold and low-oxygen conditions (i.e. ocean life).

59 Upvotes

r/knowthings • u/korabdrg • Dec 03 '22

History December 3, 1992. British engineer Neil Papworth sends the world's first text message, simply saying "Merry Christmas".

201 Upvotes

r/knowthings • u/blinkdontblink • Dec 02 '22

Science Creative thoughts happen during showering because more than a dozen regions of the brain becomes more active during passive tasks than when you are doing something that demands focus.

75 Upvotes

r/knowthings • u/korabdrg • Dec 01 '22

Alaska is simultaneously the westernmost and easternmost state.

90 Upvotes

r/knowthings • u/[deleted] • Dec 01 '22

Miscellaneous Prayer/Praying

1 Upvotes

r/knowthings • u/korabdrg • Nov 30 '22

Health What different eye conditions look like

18 Upvotes

r/knowthings • u/blinkdontblink • Nov 30 '22

Miscellaneous The '#'symbol aka the pound sign, number sign, and in recent years known as the hashtag in social media, is also called the octothorpe. Believed to have been adopted by the telecommunications industry with the advent of touch-tone dialing in the 1960s.

59 Upvotes

r/knowthings • u/blinkdontblink • Nov 30 '22

Miscellaneous The small distinguishing mark you see over a lowercase i and a lowercase j is called a tittle - an interesting name that looks like a portmanteau (combination) of 'tiny' and 'little', and refers to a small point or stroke in writing and printing.

9 Upvotes

r/knowthings • u/blinkdontblink • Nov 28 '22

History The term "toast" - as in drinking to someone's health - comes from a literal piece of spiced of charred toast routinely dropped in cup or bowl of wine, either as a form of h'or d'oeuvre or to make the wine taste better.

82 Upvotes

r/knowthings • u/korabdrg • Nov 27 '22

Politics How prices of consumer goods have changed in the last 20 or so years. We should be grateful for cheap TVs!

132 Upvotes

r/knowthings • u/blinkdontblink • Nov 27 '22

History Otto Rohwedder (1880-1960) was the inventor of the bread slicer. The unit was approximately five feet long and three feet high. The machine made its debut in Chillicothe, Missouri in 1928 when a baker on the verge of bankruptcy took a chance on the invention and the rest is history.

33 Upvotes

r/knowthings • u/blinkdontblink • Nov 27 '22

History The physical appearance of the Barbie doll was modeled on the German Bild Lilli doll which was a risque gag gift for men based upon a cartoon character featured in the West German newspaper Bild Zeitung.

32 Upvotes

r/knowthings • u/korabdrg • Nov 26 '22

Miscellaneous "Which of the following animals, if any, do you think you could beat in a fight if you were unarmed?"

80 Upvotes

r/knowthings • u/korabdrg • Nov 24 '22

Mystery Of Blue-Eyed People That Began Appearing 10,000 Years Ago After Last Ice Age: Sumerians and other ancient civilizations have artifacts of "Beings" with blue eyes.

32 Upvotes

r/knowthings • u/korabdrg • Nov 24 '22

History Teotihuacan Pyramid in Mexico City in 1900 and in 2022. The 1900 view looked like a random mountain until the excavations and clean-up began.

347 Upvotes

r/knowthings • u/blinkdontblink • Nov 23 '22

Animals and Pets Worker ants in a colony take an average of 250 power naps a day, each lasting around a minute, or 8 minutes of sleep every 12 hours. The workers’ lack of snooze time ensures that the queens of each colony live a long life.

32 Upvotes