Gravitation

• Brian Cox visits the world's biggest vacuum chamber : https://youtu.be/E43-CfukEgs
• OK Go - Upside Down & Inside Out : https://youtu.be/LWGJA9i18Co
• Everything we know about physics - and a few things we don't - in a simple map : https://youtu.be/ZihywtixUYo
• Quantum Physics for 7 Year Olds | Dominic Walliman | TEDxEastVan: https://youtu.be/ARWBdfWpDyc