Head along to #Physics at 7:15 for our demonstration on levitation and lightning! #ThinkBrock https://t.co/AbZqXWICm5

Head along to #Physics at 7:15 for our demonstration on levitation and lightning! #ThinkBrock https://t.co/AbZqXWICm5

Head along to #Physics at 7:15 for our demonstration on levitation and lightning! #ThinkBrock https://t.co/AbZqXWICm5