The future we’re building — and boring | Elon Musk

Chris Anderson: Elon, hey, welcome back to TED. It’s great to have you here. Elon Musk: Thanks for having me. CA: So, in the next half hour or so, we’re going to spend some time exploring your vision for what an exciting future might look like, which I guess makes the first question a little […]

A young scientist’s quest for clean water | Deepika Kurup

Every summer, my family and I travel across the world, 3,000 miles away to the culturally diverse country of India. Now, India is a country infamous for its scorching heat and humidity. For me, the only relief from this heat is to drink plenty of water. Now, while in India, my parents always remind me […]

TIMELAPSE OF THE ENTIRE UNIVERSE

We’re going on a journey. This video depicts billion years of time unfolding on a 10 minute scale – from to Big Bang to today. Every passing second represents 22 million years. On this scale, humans do not appear until the last fraction of second. The universe begins in 5… The universe begins in 4… […]

Humans and Energy: Crash Course World History 207

Hi! I’m Stan Muller, this is Crash Course World History, and today we’re going to talk about energy.. I don’t mean crystal energy or pyramid power or even Red Bull. I mean the energy that humans use to build pyramids or synthesize crystals or to manufacture energy drinks. Hey, hey! Where’s Mr. Green? Mr. Green […]

The Black Hole Bomb and Black Hole Civilizations

Black holes are the largest collections of pure violent energy in the universe. If you come too close, they’ll devour you and add your energy to their collection. And so, the energy is lost to us forever. Or is it? It turns out there’s a universe cheat code. A way of powering civilizations until the […]

How Far Can We Go? Limits of Humanity.

Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? Turns out there are. Even with science fiction technology, we are trapped in our pocket of the Universe. How can that be? And, how far can we go? We live in a quiet arm […]

Will Solar Power Be The Energy Miracle?

– What’s the status on solar power? It’s gonna be a bright sunshiny day! (upbeat music) Renewable energy is on our minds. Bill Gates himself, co-founder of Microsoft, recently said that we are in need of an energy miracle. So, could solar power be that miracle? Well, it’s a story we’ve heard for decades. I […]

Could a Dyson Sphere Harness the Full Power of the Sun?

The Sun produces more energy than we can can comprehend. Its core reaches a predicted temperature of 15 million degrees Celsius or roughly the same temperature as an exploding hydrogen bomb. This is the scorching section of the Sun where nuclear fusion occurs. The process releases massive amounts of energy which eventually makes its way […]