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This article is about the misconception that medieval scholars believed in a flat Earth. For actual flat Earth cosmologies, see Flat Earth. The famous "Flat Earth" Flammarion engraving originates with Flammarion's 1888 L'atmosphère: météorologie populaire (p. 163) The myth of the flat Earth is a modern misconception that European scholars and educated people during the Middle Ages believed the Earth to be flat rather than spherical . [1][2][3] The earliest documentation of a spherical Earth comes from the ancient Greeks ( 5th century BC ). [4][5] Since the 600s AD , [6] scholars have supported that view, and by the Early Middle Ages ( 700 – 1500 AD), virtually all scholars maintained the spherical viewpoint. Since the 1400s , belief in a flat Earth among educated Europeans was almost nonexistent. This despite fanciful depictions in art, such as the exterior panels of Hieronymus Bosch 's famous triptych The Garden of Earthly Delights , in which a disc-shaped Earth ...

👷👷👷 Impress your friends with these incredible facts about the world around us 1. Babies have around 100 more bones than adults Babies have about 300 bones at birth, with cartilage between many of them. This extra flexibility helps them pass through the birth canal and also allows for rapid growth. With age, many of the bones fuse, leaving 206 bones that make up an average adult skeleton. 2. The Eiffel Tower can be 15 cm taller during the summer When a substance is heated up, its particles move more and it takes up a larger volume – this is known as thermal expansion. Conversely, a drop in temperature causes it to contract again. The mercury level inside a thermometer, for example, rises and falls as the mercury’s volume changes with the ambient temperature. This effect is most dramatic in gases but occurs in liquids and solids such as iron too. For this reason, large structures such as bridges are built with expansion joints which allow them some leeway to expand and contract witho...

This article is about the Shoreham, New York tower. "Tesla Tower" redirects here. For the Colorado Springs tower, see Tesla Experimental Station. For the Allan Holdsworth album, see Wardenclyffe Tower (album). Wardenclyffe Tower (1901–1917), also known as the Tesla Tower, was an early experimental wireless transmission station designed and built by Nikola Tesla in Shoreham, New York in 1901–1902. Tesla intended to transmit messages, telephony and even facsimile images across the Atlantic to England and to ships at sea based on his theories of using the Earth to conduct the signals. His decision to scale up the facility and add his ideas of wireless power transmission to better compete with Guglielmo Marconi's radio based telegraph system was met with refusal to fund the changes by the project's primary backer, financier J. P. Morgan. Additional investment could not be found, and the project was abandoned in 1906, never to become operational. 1904 image of ...

From Star Trek to Doctor Who to The Orville,  science fiction  often incorporates black holes into story lines, in large part because there’s still so much we don’t know. But Alexander Vilenkin isn’t daunted at all by this vast and complex subject. The Leonard and Jane Holmes Bernstein Professor in Evolutionary Science in the Department of Physics and Astronomy at Tufts, he has studied theoretical cosmology, including dark energy, cosmic strings, and the multiverse, for decades. If anyone can help unravel some of the mystery around black holes, it’s Black holes are among the most fascinating phenomena of outer space, and we’re learning more about them all the time. Just last week, a group of astronomers published a paper documenting a rare visible collision of black holes, which produced a flash of light that allowed scientists to see the event from Earth. Vilenkin recently gave Tufts Now a crash course to make these cosmic giants a bit more accessible. Here are three facts ab...

Albert Einstein the greatest scientist ever live  For more visit👇 Fb.me/lammydesciencelab

FYI- Omah Lay is NOT on #JollofOnTheJet o! This one that I’m seeing his name up and down 😂😅 ...It’s someone else featured alongside Rema 🌶🎶🛩 But who? — #OriginalCopy The Album (@cuppymusic) July 14, 2020

What is black hole A black hole is a region of spacetime where gravity is so strong that nothing—no particles or even electromagnetic radiation such as light—can escape from it. black hole has a large gravity that can even pull a planet into itself. Once when a planet is pulled into a black hole there will be nothing called time and gravity inside the black hole or it may transfer us to an other galaxy or universe or dimension. These are the answers you need to know about black holes 1. How are black hole formed. Stellar black holes form when the center of a very massive star collapses in upon itself. This collapse also causes a supernova, or an exploding star, that blasts part of the star into space. 2.Can the sun turned into a black hole? The Sun will never turn into a black hole because it is not as massive in mass enough to explode. Instead, the Sun will become a dense stellar remnant called a white dwarf. If nothing can escape from a black hole, then won't the whole universe e...