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Irwin Redlener: How to survive a nuclear attack

Irwin Redlener: How to survive a nuclear attack

So, a big question that we’re facing now and have been for quite a number of years now: are we at risk of a nuclear attack? Now, there’s a bigger question that’s probably actually more important than that, is the notion of permanently eliminating the possibility of a nuclear attack, eliminating the threat altogether. And …

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Can you solve the wizard standoff riddle? – Dan Finkel

Can you solve the wizard standoff riddle? – Dan Finkel

You’ve been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are fearsome. From the Newt-niz school, a powerful sorcerer wields a wand that can turn people into fish, but his spell only works 70% of the time. And from the Leib-ton school, an …

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Can you solve the rogue AI riddle? – Dan Finkel

Can you solve the rogue AI riddle? – Dan Finkel

A hostile artificial intelligence called NIM has taken over the world’s computers. You’re the only person skilled enough to shut it down, and you’ll only have one chance. You’ve broken into NIM’s secret lab, and now you’re floating in a raft on top of 25 stories of electrified water. You’ve rigged up a remote that …

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Can you solve the prisoner hat riddle? – Alex Gendler

Can you solve the prisoner hat riddle? – Alex Gendler

You and nine other individuals have been captured by super intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they’re not sure whether you qualify, so they decide to give you all a test. Through its universal translator, the alien guarding you tells …

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Can you solve the three gods riddle? – Alex Gendler

Can you solve the three gods riddle? – Alex Gendler

Created by logician Raymond Smullyan and popularized by his colleague George Boolos, this riddle has been called the hardest logic puzzle ever. You and your team have crash-landed on an ancient planet. The only way off is to appease its three alien overlords, Tee, Eff, and Arr, by giving them the correct artifacts. Unfortunately, you …

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What would happen if every human suddenly disappeared? – Dan Kwartler

What would happen if every human suddenly disappeared? – Dan Kwartler

Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth’s jungles, oceans, and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark on Earth’s geological record. So what would happen if suddenly, every human on Earth disappeared? With no …