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How they found the World's Biggest Prime Number - Numberphile
Featuring Matt Parker... More links & stuff in full description below ↓↓↓ See part one at: https://youtu.be/tlpYjrbujG0 Part three on Numberphile2: https://youtu.be/jNXAMBvYe-Y Matt's interview with Curtis Cooper: https://youtu.be/q5ozBnrd5Zc The previous record: https://youtu.be/QSEKzFGpCQs
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How the pandemic has changed our sex lives
Before the pandemic, many couples lived like “two ships passing in the night”, says Houston, Texas-based sex therapist Emily Jamea. Previously overscheduled with out-of-home commitments, some partners found that pandemic-related lockdowns offered a much-needed respite.
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Nasa's Ingenuity helicopter makes second Mars flight
The American space agency has completed a second helicopter flight on Mars. The small Ingenuity drone hovered 5m above the ground, tilted and moved laterally 2m, before then reversing and putting itself back down on the spot from which it took off.
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Kežmarská chata
Kežmarská chata (polsky Schronisko Kieżmarskie) stála na břehu Velkého Bílého plesa v Dolině Bílých ples ve Vysokých Tatrách. Zanikla v roce 1974. Dolina Bílých ples byla vždy navštěvována bylinkáři, myslivci i pytláky.
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Zbojnícka chata
Zbojnícka chata je vysokohorská chata s celoročnou prevádzkou v závere Veľkej Studenej doliny v Tatrách. Veľkú Studenú dolinu, ako mnohé iné, v dávnej minulosti navštevovali hľadači pokladov i zlatokopi. O nich sa však nezachovali žiadne záznamy.
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Votrubova chata
Votrubova chata, v turistickom žargóne Votrubovka (poľ. Schronisko Votruby, maď. Votrubamenedékház, Wotrubamenedékház, nem. Votrubahütte, Wotrubahütte) bola pôvodne vojenskou stavbou, neskôr chatou v Doline Bielej vody vo Vysokých Tatrách.
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Uhorský karpatský spolok
Uhorský karpatský spolok (UKS), (maď. Magyarországi Kárpát-egyesület, nem. Ungarischer Karpathenverein), (po jeho zániku pokračoval v činnosti novozaložený Karpatský spolok nem. Karpathenverein, poľ.
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Prvý chatár Chatu pod Rysmi zásoboval čerstvým mliekom
Nikto sa s ním v horách nemohol stratiť. Preliezol v Tatrách veľa skál a pomáhal tiež zachraňovať životy vo veľhorách. Alojz Krupitzer.
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Nasa's rover makes breathable oxygen on Mars
An instrument on Nasa's Perseverance rover on Mars has made oxygen from the planet's carbon dioxide atmosphere. It's the second successful technology demonstration on the mission, which flew a mini-helicopter on Monday.
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Big Dog's Backyard Ultra: The toughest, weirdest race you've never heard of
Think you can run 4.16666 miles in an hour? Probably. How about the hour after that? The legs might be feeling it by now.
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The NEW Warp Drive Possibilities
PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime That Einstein guy was a real bummer for our hopes of a star-h
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Cosmism: Russia's religion for the rocket age
On 28 December 1903, during a particularly harsh Russian winter, a pauper died of pneumonia on a trunk he had rented in a room full of destitute strangers.
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Matt Parker: Stand-up Maths Routine (about barcodes)
Matt Parker performs a stand-up maths routine about barcodes at the Hammersmith Apollo, as part of the 2011 Uncaged Monkeys national tour. http://standupmaths.com/
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Stand-up comedy routine about Spreadsheets
Matt Parker’s comedy routine about spreadsheets. From the Festival of the Spoken Nerd DVD: Full Frontal Nerdity Buy Full Frontal Nerdity as a DVD or Download: http://shop.festivalofthespokennerd.com/ See where Festival of the Spoken Nerd are performing live: http://festivalofthespokennerd.com/bu
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US killer requests death by firing squad in Nevada
image copyrightGetty ImagesA killer who may become the first person put to death in Nevada in 15 years has requested the use of a firing squad rather than lethal injection.
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Aviation Firsts
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The end of the world's capital of brown coal
I'm standing in the middle of Old Manheim village, but my phone is telling me otherwise. On one side of me I can see the old church, its windows boarded up. On the other, there's the village pub looking similarly abandoned. But Google Maps is adamant this place doesn't exist.
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Australia ditches milkshake sex education video amid furore
Australia's government has scrapped two sex education videos designed to teach teenagers about consent and sexual assault after they were widely panned. The online education campaign used metaphors such as smearing milkshake on someone's face in order to depict disrespect and abuse.
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Nasa successfully flies small helicopter on Mars
The American space agency has successfully flown a small helicopter on Mars. The drone, called Ingenuity, was airborne for less than a minute, but Nasa is celebrating what represents the first powered, controlled flight by an aircraft on another world.
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The Swedish law of wanderlust
Swedish ice-climbing instructor Markus Nyman warms up his students with an off-piste ski tour, snaking past pine trees so thick with powder that locals describe them as "snow ghosts".
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Protecting Privacy with MATH (Collab with the Census)
This video was made in collaboration with the US Census Bureau and fact-checked by Census Bureau scientists. Any opinions and errors are my own. For more information, visit https://census.gov/about/policies/privacy/statistical_safeguards.html or search "differential privacy" at http://census.gov.
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20 years in Afghanistan: Was it worth it?
After 20 years in the country, US and British forces are leaving Afghanistan. This month President Biden announced that the remaining 2,500-3,500 US servicemen and women would be gone by September 11th. The UK is doing the same, withdrawing its remaining 750 troops. The date is significant.
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Nasa chooses SpaceX to build Moon lander
Nasa has chosen Elon Musk's company SpaceX to build a lander that will return humans to the Moon this decade. This vehicle will carry the next man and the first woman down to the lunar surface under the space agency's Artemis programme.
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Raúl Castro steps down as Cuban Communist Party leader
Raúl Castro says he is resigning as Cuban Communist Party leader, ending his family's six decades in power. Mr Castro, 89, told a party congress that he is handing over the leadership to a younger generation "full of passion and anti-imperialist spirit".
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Human cells grown in monkey embryos spark ethical debate
Monkey embryos containing human cells have been made in a laboratory, a study has confirmed. The research, by a US-Chinese team, has sparked fresh debate into the ethics of such experiments.
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