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The first clock known to strike regularly on the hour, a clock with a verge and foliot mechanism, is recorded in Milan in 1336. [96] By 1341, clocks driven by weights were familiar enough to be able to be adapted for grain mills, [97] and by 1344 the clock in London's Old St Paul's Cathedral had been replaced by one with an escapement. [98]
The Miura fold (ミウラ折り, Miura-ori) is a method of folding a flat surface such as a sheet of paper into a smaller area. The fold is named for its inventor, Japanese astrophysicist Kōryō Miura. [1] The crease patterns of the Miura fold form a tessellation of the surface by parallelograms.
SpaceKids is an entertainment and educational game for children. [1] In this interactive cartoon, Zeedle and Deet are Kids who travel to Earth in a living UFO to find their famous missing grandfather, a space explorer who has traveled to Earth without them.
PBS Kids • Brown Bag Films • 9 Story Media Group: Flash Clifford the Big Red Dog: 1 seasons, 40 episodes: December 6, 2019 – February 12, 2021 • Amazon Prime Video • PBS Kids • 100 Chickens Productions • Brown Bag Films Toronto • 9 Story Media Group • Scholastic Entertainment • Amazon Studios: Flash
De Dondi's clock was a seven-faced construction with 107 moving parts, showing the positions of the sun, moon, and five planets, as well as religious feast days. [10] Both these clocks, and others like them, were probably less accurate than their designers would have wished.
The Space Kidettes is an American Saturday morning animated television series produced by Hanna-Barbera Productions, originally airing on NBC during the 1966–67 season. In the show, junior rangers Snoopy, Jenny, Countdown and Scooter patrol the cosmos from their space-capsule clubhouse, with help from their dog Pupstar. [ 1 ]
YouTube Kids has faced criticism from advocacy groups, particularly the Fairplay Organization, for concerns surrounding the app's use of commercial advertising, as well as algorithmic suggestions of videos that may be inappropriate for the app's target audience, as the app has been associated with a controversy surrounding disturbing or violent ...
A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, the final minute, and the final second. The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.