Can You Turn a Rainbow Back into White Light?

Try Tab Traces and everything else Opera has to offer: https://opr.as/Opera-browser-stevemould Newton proved that white light was made of all the colours of rainbow by recombining the spectrum. He used a second prism and a convex lens. 3b1b why different wavelengths of light bend different amounts: https://www.youtube.com/watch?v=KTzGBJPuJwM You can buy my books here: https://stevemould.com/books You can support me on Patreon and get access to the exclusive Discord: https://www.patreon.com/stevemould Twitter: http://twitter.com/moulds Instagram: https://www.instagram.com/stevemouldscience/ Facebook: https://www.facebook.com/stevemouldscience/ TikTok: https://www.tiktok.com/stevemould Buy nerdy maths things: http://mathsgear.co.uk