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👁Will future spacecraft fit in our pockets? - Dhonam Pemba

🗣Subtitle: Farsi | English | Turkish
👣When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next wave of spacecraft were small enough to fit into our pockets? Dhonam Pemba details the future of microspacecraft, and how scientists at NASA are hoping to use micropropulsion to launch these tiny vessels outside of Earth’s orbit.
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👁How do we know what color dinosaurs were? - Len Bloch

🗣Subtitle: Farsi | English
👣The microraptor was a four-winged carnivorous dinosaur with iridescent black feathers. But if our information about this dinosaur comes from fossils, how can we be certain about its color? Len Bloch shows how making sense of the evidence requires careful examination of the fossil and a good understanding of the physics of light and color.
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👁The Sun’s surprising movement across the sky - Gordon Williamson

🗣Subtitle: Farsi | English | Turkish
👣Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun look like in that combined image? A stationary dot? A circular path? Neither. Oddly enough, it makes a ‘figure 8’ pattern, known as the Sun’s analemma. Gordon Williamson explains why.
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👁Why people believe weird things
🗣Subtitle: Farsi | English | Turkish

👣Why do people see the Virgin Mary on a cheese sandwich or hear demonic lyrics in \"Stairway to Heaven\"? Using video and music, skeptic Michael Shermer shows how we convince ourselves to believe -- and overlook the facts.
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👁Where does gold come from?

🗣Subtitle: Farsi | English | Turkish
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👁When will the next mass extinction occur? - Borths, D'Emic, and Pritchard

🗣Subtitle: Farsi | English | Turkish
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👁The Museum of Four in the Morning
🗣Subtitle: Farsi | English

👣Beware: Rives has a contagious obsession with 4 a.m. At TED2007, the poet shared what was then a minor fixation with a time that kept popping up everywhere. After the talk, emails starting pouring in with an avalanche of hilarious references—from the cover of \"Crochet Today!\" magazine to the opening scene of \"The Metamorphosis.\" A lyrical peek into his Museum of Four in the Morning, which overflows with treasures.
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#TEDActive_2014 #entertainment #humor #online_video #spoken_word #storytelling

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👁Where did the Moon come from? A new theory
🗣Subtitle: Farsi | English | Turkish

👣The Earth and Moon are like identical twins, made up of the exact same materials -- which is really strange, since no other celestial bodies we know of share this kind of chemical relationship. What's responsible for this special connection? Looking for an answer, planetary scientist and MacArthur \"Genius\" Sarah T. Stewart discovered a new kind of astronomical object -- a synestia -- and a new way to solve the mystery of the Moon's origin.
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👁The single biggest reason why start-ups succeed
🗣Subtitle: Farsi | English | Turkish

👣Bill Gross has founded a lot of start-ups, and incubated many others -- and he got curious about why some succeeded and others failed. So he gathered data from hundreds of companies, his own and other people's, and ranked each company on five key factors. He found one factor that stands out from the others -- and surprised even him.
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#TED2015 #business #creativity #technology

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👁The beautiful future of solar power
🗣Subtitle: Farsi | English | Turkish

👣The Sun delivers more energy to Earth in one hour than all of humanity uses in an entire year. How can we make this power more accessible to everyone, everywhere? Solar designer Marjan van Aubel shows how she's turning everyday objects like tabletops and stained glass windows into elegant solar cells -- and shares her vision to make every surface a power station.
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👁Inside the black hole image that made history
🗣Subtitle: Farsi | English | Turkish

👣At the center of a galaxy more than 55 million light-years away, there's a supermassive black hole with the mass of several billion suns. And now, for the first time ever, we can see it. Astrophysicist Sheperd Doeleman, head of the Event Horizon Telescope collaboration, speaks with TED's Chris Anderson about the iconic, first-ever image of a black hole -- and the epic, worldwide effort involved in capturing it.
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#TED2019 #science #astronomy #physics #collaboration #nature #technology #universe #visualizations #telescopes #space

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👁The surprising habits of original thinkers
🗣Subtitle: Farsi | English | Turkish

👣How do creative people come up with great ideas? Organizational psychologist Adam Grant studies \"originals\": thinkers who dream up new ideas and take action to put them into the world. In this talk, learn three unexpected habits of originals -- including embracing failure. \"The greatest originals are the ones who fail the most, because they're the ones who try the most,\" Grant says. \"You need a lot of bad ideas in order to get a few good ones.\"
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👁How nationalism and globalism can coexist
🗣Subtitle: Farsi | English | Turkish

👣Why do we have to choose between nationalism and globalism, between loving our countries and caring for the world? In a talk with lessons for avowed nationalists and globalists alike, Wanis Kabbaj explains how we can challenge this polarizing, binary thinking -- and simultaneously be proud citizens of both our countries and the world.
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#TED@UPS #global_issues #politics #government #policy #community #communication #future

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👁Know thyself, with a brain scanner
🗣Subtitle: Farsi | English | Turkish

👣Imagine playing a video game controlled by your mind. Now imagine that game also teaches you about your own patterns of stress, relaxation and focus. Ariel Garten shows how looking at our own brain activity gives new meaning to the ancient dictum \"know thyself.\"
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👁The freakonomics of crack dealing
🗣Subtitle: Farsi | English | Turkish

👣\"Freakonomics\" author Steven Levitt presents new data on the finances of drug dealing. Contrary to popular myth, he says, being a street-corner crack dealer isn't lucrative: It pays below minimum wage. And your boss can kill you.
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👁3 lessons on starting a movement from a self-defense trailblazer
🗣Subtitle: Farsi | English

👣At 16, Rana Abdelhamid started teaching self-defense to women and girls in her neighborhood. Almost 10 years later, these community classes have grown into Malikah: a global grassroots network creating safety, power and solidarity for all women. How did she do it? Abdelhamid shares three ingredients for building a movement from the ground up.
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👁Why wildfires are necessary - Jim Schulz

🗣Subtitle: Farsi | English
👣Our early ancestors relied on lightning to cause forest fires, from which they could collect coals and burning sticks to help them cook food and clear land. Yet, it wasn’t just humans who benefited from these natural phenomena. Even as they destroyed trees, fires also helped the forests themselves. Jim Schulz outlines the benefits of wildfire.
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👁How cryptocurrency can help start-ups get investment capital
🗣Subtitle: Farsi | English | Turkish

👣We're living in a golden era of innovation, says entrepreneur Ashwini Anburajan -- but venture capital hasn't evolved to keep up, and start-ups aren't getting the funding they need to grow. In this quick talk, she shares the story of how her company became part of an entirely new way to raise capital, using the powers of cooperation and cryptocurrency.
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👁The most powerful woman you've never heard of
🗣Subtitle: Farsi | English | Turkish

👣Everyone's heard of Martin Luther King Jr. But do you know the woman Dr. King called \"the architect of the civil rights movement,\" Septima Clark? The teacher of some of the generation's most legendary activists -- like Rosa Parks, Diane Nash, Fannie Lou Hamer and thousands more -- Clark laid out a blueprint for change-making that has stood the test of time. Now T. Morgan Dixon and Vanessa Garrison, the cofounders of GirlTrek, are taking a page from Clark's playbook to launch a health revolution in the US -- and get one million women walking for justice. (This ambitious idea is part of The Audacious Project, TED's initiative to inspire and fund global change.)
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#TED2018 #activism #social_change #history #women #inequality #community #race #gender #health #gender_equality #society

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👁How I built a jet suit
🗣Subtitle: Farsi | English | Turkish

👣We've all dreamed of flying -- but for Richard Browning, flight is an obsession. He's built an Iron Man-like suit that leans on an elegant collaboration of mind, body and technology, bringing science fiction dreams a little closer to reality. Learn more about the trial and error process behind his invention and take flight with Browning in an unforgettable demo.
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