Tom Scott

http://tomscott.com – http://twitter.com/tomscott – A guide for the newly empowered, courtesy of the Superhero Help Academic Foundation Trust, Education Division. Sure, you could jump a few places and fight crime: or you could take over the world. Thanks to YouTube Space London, who offered me time on their science lab set — and thanks to

Computers store text (or, at least, English text) as eight bits per character. There are plenty of more efficient ways that could work: so why don’t we use them? And how can we fit more text into less space? Let’s talk about Huffman coding, Huffman trees, and Will Smith. Thanks to the Cambridge Centre for

NERC’s Space Geodesy Facility, hidden away in the English countryside, fires lasers at satellites. Because it turns out that knowing a satellite’s position exactly is really, really difficult. More about the Facility: http://sgf.rgo.ac.uk/ Thanks to Jay Dickieson for the suggestion! I’m at https://tomscott.com on Twitter at https://twitter.com/tomscott on Facebook at https://facebook.com/tomscott and on Instagram as

I didn’t even realise that “low explosives” were a thing; let’s talk about deflagration, detonation, and how high explosives can actually be safer. • Thanks to Steve from Live Action FX: http://liveactionfx.com/ Filmed safely: https://www.tomscott.com/safe/ Camera: Simon Temple http://templefreelance.co.uk Edited by Michelle Martin: https://twitter.com/mrsmmartin I’m at https://tomscott.com on Twitter at https://twitter.com/tomscott on Facebook at https://facebook.com/tomscott

Inside the beautiful Alnwick Garden, behind a locked gate, there’s the Poison Garden: it contains only poisonous plants. Trevor Jones, head gardener, was kind enough to give a guided tour! For more information about visiting the Castle, Garden, and poison garden: https://alnwickgarden.com/ (And yes, it’s pronounced “Annick”.) Edited by Michelle Martin, @mrsmmartin I’m at http://tomscott.com

The flight between Papa Westray and Westray takes 80-90 seconds and covers about 2km. Why does it exist? And what’s it like? On a rainy day in the Orkney Islands, I went to find out. Thanks to Sam from Wendover Productions! https://www.youtube.com/wendoverproductions I’m at https://tomscott.com on Twitter at https://twitter.com/tomscott on Facebook at https://facebook.com/tomscott and on

Ness of Brodgar, in Orkney, is one of the most important archaeological sites in western Europe. This week, it was covered by old, worn-out tires. Here’s why. ■ Thanks to the Ness team! More about them, volunteering, and donating: https://www.nessofbrodgar.co.uk/ I’m at https://tomscott.com on Twitter at https://twitter.com/tomscott on Facebook at https://facebook.com/tomscott and on Instagram as