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Explore the biggest question of all. How far do the stars stretch out into space? And what's beyond them? In modern times, we built giant telescopes that have allowed us to cast our gaze deep into the universe. Astronomers have been able to look back to near the time of its birth. They've reconstructed the course of cosmic history in astonishing detail. From intensive computer modeling, and myriad close observations, they've uncovered important clues to its ongoing evolution. Many now conclude that what we can see, the stars and galaxies that stretch out to the limits of our vision, represent only a small fraction of all there is. Does the universe go on forever? Where do we fit within it? And how would the great thinkers have wrapped their brains around the far-out ideas on today's cutting edge? For those who find infinity hard to grasp, even troubling, you're not alone. It's a concept that has long tormented even the best minds. Over two thousand years ago, the Greek mathematician Pythagoras and his followers saw numerical relationships as the key to understanding the world around them. But in their investigation of geometric shapes, they discovered that some important ratios could not be expressed in simple numbers. Take the circumference of a circle to its diameter, called Pi. Computer scientists recently calculated Pi to 5 trillion digits, confirming what the Greeks learned: there are no repeating patterns and no ending in sight. The discovery of the so-called irrational numbers like Pi was so disturbing, legend has it, that one member of the Pythagorian cult, Hippassus, was drowned at sea for divulging their existence. A century later, the philosopher Zeno brought infinity into the open with a series of paradoxes: situations that are true, but strongly counter-intuitive. In this modern update of one of Zeno's paradoxes, say you have arrived at an intersection. But you are only allowed to cross the street in increments of half the distance to the other side. So to cross this finite distance, you must take an infinite number of steps. In math today, it's a given that you can subdivide any length an infinite number of times, or find an infinity of points along a line. What made the idea of infinity so troubling to the Greeks is that it clashed with their goal of using numbers to explain the workings of the real world. To the philosopher Aristotle, a century after Zeno, infinity evoked the formless chaos from which the world was thought to have emerged: a primordial state with no natural laws or limits, devoid of all form and content. But if the universe is finite, what would happen if a warrior traveled to the edge and tossed a spear? Where would it go? It would not fly off on an infinite journey, Aristotle said. Rather, it would join the motion of the stars in a crystalline sphere that encircled the Earth. To preserve the idea of a limited universe, Aristotle would craft an historic distinction. On the one hand, Aristotle pointed to the irrational numbers such as Pi. Each new calculation results in an additional digit, but the final, final number in the string can never be specified. So Aristotle called it "potentially" infinite. Then there's the "actually infinite," like the total number of points or subdivisions along a line. It's literally uncountable. Aristotle reserved the status of "actually infinite" for the so-called "prime mover" that created the world and is beyond our capacity to understand. This became the basis for what's called the Cosmological, or First Cause, argument for the existence of God. #universedocumentary #spacedocumentary #Universe
HI SISTERS! In today's video I invited over David Dobrik & the Vlog Squad for a NEW challenge, Makeup Relay Race! Each person has only 5 minutes to take on one step of my makeup routine before switching off... will the final look slay or should the Vlog Squad stick to vlogging?! Enjoy and don't forget to thumbs up and SUBSCRIBE! 🎥 PREVIOUS VIDEO » https://youtu.be/Xcg3VBNvZW0 👕 SISTER'S APPAREL » http://sisters-apparel.com 🛎 Subscribe to my channel to join the sisterhood & hit the notification bell so you never miss an upload! » http://bit.ly/JamesCharles for new videos! ❤️ SPECIAL THANKS TO THE VLOG SQUAD DAVID DOBRIK » https://www.youtube.com/daviddobrik ZANE » https://www.youtube.com/zanehijazi MATT » https://www.instagram.com/mattrking/ HEATH » https://www.youtube.com/user/hghussar CARLY & ERIN » https://www.youtube.com/carlyanderin CORINNA » https://www.youtube.com/corinnakopf JEFF » https://www.youtube.com/user/jeffzilla3000 JONAH » https://www.youtube.com/channel/UCTTS1yS_b6xak0vEh7LYx8A __ ❤️ LET'S BE BFFS INSTAGRAM » http://instagram.com/jamescharles TWITTER » http://twitter.com/jamescharles SNAPCHAT » jamescharless __ 💸 COUPON CODES 💸 MORPHE BRUSHES » http://morphebrushes.com Use code "JAMES" for 10% off all products online AND in store! UBER » Use code "SISTERJAMES" for $5 off your first 3 rides! LILLY LASHES » https://lillylashes.com/ Use code "JAMES" for 15% off all lashes LAURAS BOUTIQUE » http://lauras-boutique.com Use code "JAMES" for 10% off all items SKINDINAVIA » http://skindinavia.com Use code "JAMES" for 25% off all products __ ♡ MY AMAZING TEAM EDITOR: Louis & Anthony Gargiula http://instagram.com/louisgargiula http://instagram.com/anthonygargiula CONTENT COORDINATOR: Eros Gomez http://instagram.com/erosmua GRAPHICS: Michael Rusakov http://instagram.com/michael.ny
Jeffree Star, LipStickNick, and pro body painters George and Sasha body paint realistic outfits on us that we wear out in public! Things get... interesting. SUBSCRIBE - https://www.youtube.com/user/TheDolan... Follow Jeffree on YouTube and IG! - https://www.youtube.com/user/jeffreestar https://www.instagram.com/jeffreestar/ Check out the video we made on Jeffrees Channel!! https://www.youtube.com/watch?v=cmEUEdy4_us&t=2s Follow Nicole on Instagram! - https://www.instagram.com/lipsticknick/ Follow George on Instagram! - https://www.instagram.com/georgetroester/ Follow Sasha on Instagram! - https://www.instagram.com/sashaglasser/ Merch - https://dolantwins.com Ethan’s Stuff INSTAGRAM - https://instagram.com/ethandolan/ TWITTER - https://twitter.com/EthanDolan SNAPCHAT - EthanDolan Grayson’s Things INSTAGRAM - https://instagram.com/graysondolan/ TWITTER - https://twitter.com/GraysonDolan SNAPCHAT - GraysonDolan
Give them some love: Tesla man: https://twitter.com/elonmusk?lang=en Rick Morty man; https://twitter.com/JustinRoiland N E W M E R C H : https://represent.com/pewdiepie 🔥 (◡‿◡✿) Submit M E M E S: https://www.reddit.com/r/PewdiepieSubmissions/ ༼♥ل͜♥༽ __ TSUKI: https://tsuki-co-uk.myshopify.com Memes: https://www.instagram.com/p/Bt7GpoAllU2abfBjvMcgXQ42yrVniMDW_RfvPE0/ Mars Rover https://www.instagram.com/p/Bt9IfTPIw5f/ https://www.instagram.com/p/Bt2FRWlHEdE-RvtFbSh5SoXUpt95wXqxS7dCDU0/ Gonna cry? https://www.instagram.com/p/Bt9N3BFllCvJNCsnyD1H_i8umMaDGFAoZnXxeA0/ https://www.instagram.com/p/Bt8j9hLFSaoJnx-mnkrJnisz7iMYySlxqV_Vmg0/ https://www.instagram.com/p/Bt68amNHtqB3bZhZPwQF_rvXNikPSv40fFJRd40/ https://www.youtube.com/watch?v=VWMxs9z_KkU https://www.youtube.com/watch?v=6qISTv_nSRM Alladin Memes: https://www.instagram.com/p/Bt1uTyiFPWE/ https://www.instagram.com/p/Bty8imMF7Er/ https://www.instagram.com/p/BtwzXoFFvSeMqlRjHUVWpkm__NPjl0BvBRdUx80/ https://www.instagram.com/p/Btwln6uFR87/ __ :::::::My Setup:::::::: (Affiliate links) Chair:: ONLY 399 ! USA & Asia: https://usa.clutchchairz.com/product/pewdiepie-edition-throttle-series/ Europe: https://europe.clutchchairz.com/en/product/throttle-series-pewdiepie-edition/ Canada: https://canada.clutchchairz.com/product/throttle-series-pewdiepie-edition/ Elgato green screen: http://e.lga.to/PewDiePie (Affiliate) __ :::::::Check out: ::::::::http://store.steampowered.com/app/703840/Animal_Super_Squad/ (A game I helped make and affiliated with) __ Outro: Animation: https://www.youtube.com/user/jae55555 Song: https://www.youtube.com/channel/UC3e8EMTOn4g6ZSKggHTnNng
Cardi B & Bruno Mars - Please Me (Official Audio) Stream/Download: https://cardib.lnk.to/PleaseMeID Subscribe for more official content from Cardi B: https://CardiB.lnk.to/Subscribe Follow Cardi B http://cardibofficial.com http://Instagram.com/f/iamcardib http://Twitter.com/IAmCardiB http://Facebook.com/IAmCardiB http://Soundcloud.com/IAmCardiB Exclusive Bardi Gang merchandise available here: http://smarturl.it/BardiGangMerchYT The official YouTube channel of Atlantic Records artist Cardi B. Subscribe for the latest music videos, performances, and more. #CardiB #BrunoMars #PleaseMe #OfficialAudio #AtlanticRecords #Atlantic
The founder of Howard Corporate Centre, LLC was selected as The Pulse television show's small business owner of the month. Check out this clip to see why!