Everything in our universe is made up of a very small numbers of particles, and is controlled by just four forces. In this Hangout, The Four Forces & the Standard Model of Particles’ streamed live on 11 February 2015, the panel discusses these basic building blocks of everything.

This is series Hangouts on Astronomy and Planetary Science supported by Ellinogermaniki Agogi and NUCLIO in the framework of the European Science Education Academy and the Galileo Teacher Training Programme. Hangouts are hosted by Dr Pamela L. Gay. GTTP invite you to work along with the series to create classroom educational materials while earning badges as you progress.