Paraboloids and The Building which Set Things on Fire

The building in London at 20 Fenchurch Street started to set things on fire! But it could have been worse. I use a paraboloid to set other things on fire.

Oh, and there's a maths proof.

News stories about the concave building:
http://www.dailymail.co.uk/news/article-2786723/London-skyscraper-Walkie-Talkie-melted-cars-reflecting-sunlight-fitted-shading.html
http://www.bbc.co.uk/news/uk-england-london-23930675
http://www.independent.co.uk/news/uk/home-news/walkie-talkie-skyscraper-to-be-fitted-with-permanent-sunshade-after-it-melted-cars-9379037.html

Festival of the Spoken Nerd:
http://festivalofthespokennerd.com/

Play with the Geogebra parabola demonstration:
http://www.geogebra.org/material/show/id/189498

Music by Howard Carter
Design by Simon Wright

MATT PARKER: Stand-up Mathematician
Website: http://standupmaths.com/
Book: http://makeanddo4D.com/
Nerdy maths toys: http://mathsgear.co.uk/

Видео Paraboloids and The Building which Set Things on Fire канала Stand-up Maths