humanity

How civilization could destroy itself — and 4 ways we could prevent it | Nick Bostrom How civilization could destroy itself — and 4 ways we could prevent it | Nick Bostrom

Chris Anderson: Nick Bostrom. So, you have already given us so many crazy ideas out there. I think a couple of decades ago, you made the case that we might all be living in a simulation, or perhaps probably were. More recently, you’ve painted the most vivid examples of how artificial general intelligence could go…

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

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Isaac Asimov – How to Save Civilization Part 1 Isaac Asimov – How to Save Civilization Part 1

I have written an article on the Green House effect. It was a year-end article. They wanted me to pick out the most important scientific event of 1988. And I really thought that the most important scientific event of 1988 would only be recognized some time in the future. When you have a little perspective,.…

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War and Civilization: Crash Course World History 205 War and Civilization: Crash Course World History 205

Hi I’m John Green; this is Crash Course World History, and today, we’re going to talk — for the absolute last time, I promise — about war. Well, it’s not the last time we’re going to talk about war because we’re gonna talk about the 20th century later, pretty much defined by war, but it’s…

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The Black Hole Bomb and Black Hole Civilizations 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…

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What Would A Civilization 1 Billion Years Older Than Us Be Like? What Would A Civilization 1 Billion Years Older Than Us Be Like?

If we were to meet an extra-terrestrial civilization, the chances of them being the same age as humanity are slim to none. If they’re much younger than us then it will be difficult or impossible to communicate with them, but if they’re older, say, a billion years more advanced than us, then what might they…

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Soviet Genocide of Ukrainians Soviet Genocide of Ukrainians

Potatoes, beets, cabbages! Salted cabbages were taken by the whole barrel. All edible goods were taken away. When the food was taken away, peasants were also forbidden to seek it elsewhere. To buy, exchange or earn. They were dying. And they were not allowed into the cities. Special guards prevented these dying starving people from…

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