Would You Swim In Power Plant Wastewater?

From Tom Scott. Normally, the answer would be no. But in these very limited circumstances, at Iceland’s Blue Lagoon, you can swim in geothermal power plant wastewater, and it’s even healthy: although the marketing material doesn’t usually mention it. Here’s a story about geothermal energy, cheap heat, and how to keep some ducks warm. Sources:…

Swimming Between Two Continents, Debunked

From Tom Scott. Silfra, in Þingvellir National Park in Iceland, is where the Eurasian and North American continental plates are dividing. It’s a crack in the earth where you can snorkel or dive between the continents. Well, sort of. As ever, it’s a bit more complicated than that. Þingvellir geology: https://www.thingvellir.is/en/history-nature/nature/geologic-history/ https://notendur.hi.is/oi/geology_of_thingvellir.htm Þingvellir history: https://www.thingvellir.is/en/history-nature/history/…

Is The Most Northern Part Of Iceland Still There?

From Tom Scott. Kolbeinsey is the most northern part of Iceland, a tiny island that, according to Wikipedia, is due to disappear due to wave erosion "probably around the year 2020". Which raised an obvious question: is it still there? THANKS TO: This video was inspired by some tweets from author Sam Hughes. You can…

Why You Should Turn On Two Factor Authentication

From Tom Scott. The short answer is: "because it’ll make things more secure". The long answer involves Ronald Reagan. • MORE BASICS: https://www.youtube.com/playlist?list=PL96C35uN7xGLLeET0dOWaKHkAlPsrkcha Written with Sean Elliott https://twitter.com/SeanMElliott/ • Camera by Tomek • Graphics by William Marler https://wmad.co.uk Filmed at the Centre for Computing History, Cambridge: http://www.computinghistory.org.uk/ Their current fundraiser: https://www.justgiving.com/campaign/computermuseum Image of Dr Corbató…

The Abandoned Hill With Two Members Of Parliament

From Tom Scott. Old Sarum, in Wiltshire, is a now-desolate hillfort run by English Heritage. But it was once one of the most important sites in southern England: so important that it had two members of Parliament. Then, it became a "rotten borough": and a warning about power. Thanks to English Heritage: more information and…