I just did a live Q&A with Hannah Fry, Helen Czerski and Robin Ince. If you watch it you can learn all kinds of stuff about quarks, champagne corks, charts & graphs, zero gravity flights and the dangers of trying to share screens on skype…
Also there’s a question about rainbows, here’s something I wrote about them once upon a time which might be of interest.
Check out other cool stuff at the Stay at Home Festival.