Popularising Maths – Dara O'Briain's School of Hard Sums
http://www.youtube.com/watch?v=l3Go2kBU3QM
What a fascinating programme. Being a chemist made the second question easy 🙂
http://www.youtube.com/watch?v=l3Go2kBU3QM
What a fascinating programme. Being a chemist made the second question easy 🙂