Why do we buy Christmas trees? Santa is a 4th Century Saint from Turkey? Celebrating Christmas used to be illegal?... Christmas has a longer history than you might think. But it's also not as rigid either. From pagan, winter solstice rituals and festivities, to Madison Avenue marketing of Old St. Nick, Christmas is defined by humans, and we seem to always try to have a good time. Let's find out the history of Christmas. Thanks for watching. ------------------------------------------------------------------------------------------------  #ASMR #history #Christmas

The History of Christmas | ASMR

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In 1983, two Japanese scientists, Masaki Morimoto and Hisashi Hirabayashi, pioneers in the field of radioastronomy and the search for extraterrestrial intelligence (SETI), got inebriated as they celebrated the Tanabata star festival. They decided to use a radio telescope at Stanford to send a message to one of the brightest stars in the sky, Altair. In the message was information about our planet, our evolution, the human species, and even a high-spirited sign-off, sending both the English word "TOAST" and the Japanese equivalent, "KANPAI" (乾杯). And I love the playful sentiment. 40 years later, their scientific progeny are listening for a response. Spoiler alert. We haven't heard back... yet. But we also explore the nature of these and other messages to possible intelligent alien life out there listening like we are. We touch upon SETI, the Arecibo message, and a few other attempts at establishing a first contact with an extraterrestrial alien species. Thanks so much for watching. ▸ Want to leave a tip or connect?:

That time we said CHEERS! to aliens in 1983 (and other SETI messages to extraterrestrials) | ASMR

Tonight we explore the strange reality of Einstein's General Theory of Relativity and what it means for 3 dimensional beings born into a 4 dimensional Universe. It predicts our birth from a singularity in an expanding Universe, the contraction of space at the speed of light, and both black holes and the infinite time dilation at their horizon. It's bizarre that space truly compresses and time actually slows down deep inside gravitational wells and near the speed of light. We literally observe supernovae billions of light years away exploding at half their normal speed. So let's find out about the history and basics of relativity.   ▸ Want to leave a tip or connect?:    Video credits: Carrol and Ostlie (textbook I used): https://amzn.to/3QtiABm TNG Simulations https://www.tng-project.org/media/ NASA/STSci/ESA Davis and Lineweaver (2003) https://arxiv.org/abs/astro-ph/0310808 Nolan, C. (2014). Interstellar. Paramount Pictures. The Eagle Simulation, Durham University https://youtu.be/Fim6dWJhxz4 Doppler Shifts, Prof. Richard Pogge, The Ohio State University https://youtu.be/xCTUgpwuP0I  2 Hour Jupiter time lapse with Io transit, https://youtu.be/EBBhvY8ZRwE  Relativity 110d: Cosmology - FLRW Geodesics, Cosmological Redshift, Horizons, Comoving Coordinates, https://youtu.be/OxkY4Wqdpp8  Relativity 103a: Galilean Relativity - Spacetime Diagrams, https://youtu.be/powCBsDOa8U  How Fast Is It - 03 - Special Relativity (4K), https://youtu.be/IyxX8LAvkdQ Dr. David Bradstreet (Eastern University), Ole Roemer and the Speed of Light, https://youtu.be/XNJw0B1o8cQ Mythbusters, Soccer ball shot from a truck  Time Stamps: 0:00 Relativity and the expanding Universe (intro) 5:54 Galileo and Roemer discover light isn't infinitely fast (1600's) 19:55 The mystery of the constant speed of electromagnetic field waves 32:17 Galileo discovered relativity 50:26 Einstein discovers Special Relativity 1:11:39 Time dilation and space contraction 1:33:08 Galaxy redshifts and expansion 2:16:24 General Relativity (gravity now explained by relativity) 2:57:41 Light cones (future and past causality) 3:12:21 Relativity in Cosmology: discovery of expanding spacetime  #educational #letsfindout #ASMR #relaxing #space #science

The Basics of Relativity: Light Speed, Time Dilation, and the Expanding Universe | ASMR

Tonight we're drawing and explaining a spacetime diagram of the entire universe. The universe is far larger than 14 billion light years, and expanding way faster than the speed of light. Let's find out the true nature of the universe.   ▸ Want to leave a tip or connect?:    See youtube video description for full credits.

The Universe in a Single Graph | ASMR

(These podcasts are the audio from my Youtube channel videos found here: ) Tonight we're browsing a really cool retro 1969 LIFE magazine I found at a local flea-market thrift store. It's main article is about the LEM (Lunar Module) which was the tiny spacecraft that detached from the Apollo Command Module in lunar orbit and sent Neil Armstrong and Buzz Aldrin descending onto the lunar surface to be the first ever humans to step foot on another world. We also browse the rest of the issue and look at some of the more interesting ads of the late 1960's. Lot's of unique and memorable marketing of clothing, appliances, insurance, and of course, booze and cigarettes. Additional context: This issue was from March 1969, and that Apollo 11 mission didn't happen until July of 1969, so it's fascinating to travel back in time and think about the anticipation of the event just 3 months later. Thanks to all my patreon and paypal supporters. Your donations are so appreciated. I'm trying my best to continue making the most interesting and relaxing content I can, and the donations and the love in the comments is always a big encouragement. -Rich   0:00 10 pivotal moments from 1969  15:05 beginning to browse LIFE magazine 28:47 using GPT-4 to look up facts about ads and companies 51:41 Apollo LEM article 1:29:42 more GPT-4 prompts (about the Sears company) 1:54:29 ad introducing the McDonald's Big Mac in 1969  #space #sciencefacts #science #letsfindout #ASMR #astronomy ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ ► If you'd like to show support for the channel: ▸ Donate: Buy me a coffee?: https://ko-fi.com/letsfindoutasmr ▸ Patreon (monthly donations):  ▸ PayPal (one-time donation):  ▸ Amazon link helps the channel:  ▸ My Amazon Wishlist:    ► Say Hello: ▸ 

The History of Christmas | ASMR

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