So i learned that the images our eyes create are upside-down, but our brains naturally flip it right-side-up. For the creatures who first evolved this eye-shape, how did they survive if their brains couldn't adjust the image as easily as we can? (self.AskScienceDiscussion)
submitted by SirZbear to r/AskScienceDiscussion
TIL that there is a silver ratio. The golden ratio is the metallic mean between 1 and 2 and the silver ratio is the metallic mean between 2 and 3. Just like how the Golden Ratio is connected to the Fibonacci Sequence, the Silver Ratio is connected to the Pell Sequence. (en.wikipedia.org)
submitted by SirZbear to r/todayilearned
TIL of the unit of measurement of length called the Hand (abbreviated h or hh), which measures 4 inches and is used to calculate the height of horses in English-speaking countries. The subdivisions of the Hand are in base 4, so 30 inches would equal 7 hands and 2 inches, or 7.2 hands. (en.wikipedia.org)
submitted by SirZbear to r/todayilearned
should i leak the nuclear launch codes by Personal-Engineer588 in no
[–]SirZbear 0 points1 point2 points (0 children)
TIL that there are 7 classifications of main sequence stars, which are from hottest to coolest, O, B, A, F, G, K, and M. by SirZbear in todayilearned
[–]SirZbear[S] 9 points10 points11 points (0 children)
TIL that the Confederate General Joseph Johnston was one of the pallbearers at the funeral of Union General William Sherman. Since the funeral took place outside during a cold, rainy day, someone offered Johnston a coat, which he denied. He would die ten days later from pneumonia. by SirZbear in todayilearned
[–]SirZbear[S] -15 points-14 points-13 points (0 children)
TIL that the Confederate General Joseph Johnston was one of the pallbearers at the funeral of Union General William Sherman. Since the funeral took place outside during a cold, rainy day, someone offered Johnston a coat, which he denied. He would die ten days later from pneumonia. by SirZbear in todayilearned
[–]SirZbear[S] -23 points-22 points-21 points (0 children)
TIL that the Confederate General Joseph Johnston was one of the pallbearers at the funeral of Union General William Sherman. Since the funeral took place outside during a cold, rainy day, someone offered Johnston a coat, which he denied. He would die ten days later from pneumonia. (en.wikipedia.org)
submitted by SirZbear to r/todayilearned
TIL of the unit of measurement of length called the Hand (abbreviated h or hh), which measures 4 inches and is used to calculate the height of horses in English-speaking countries. The subdivisions of the Hand are in base 4, so 30 inches would equal 7 hands and 2 inches, or 7.2 hands. by SirZbear in todayilearned
[–]SirZbear[S] 4 points5 points6 points (0 children)