Are you ready for some #Eco games at #smLates tonight #twitter / on Instagram http://bit.ly/ZN5cVl

At the dentist in the 1930s #MedicalGalleries #twitter / on Instagram http://bit.ly/11ocosJ

An “electric” machine from 1770s used to generate an electric charge #twitter / on Instagram http://bit.ly/15frequ

Plan 25 of #Babbage’s Analytical Engine (6 Aug 1840) #twitter / on Instagram http://bit.ly/12iQ99R

We’re watching #Horizon tonight which looks at Tomorrow’s World #twitter / on Instagram http://bit.ly/16Wrg36

Everyone has a favourite object. Share a pic of yours to win £100 in our shop #scmcomp #twitter / on Instagram http://bit.ly/ZAB7hJ

What are you afraid of? Discover more in our Who am I gallery #twitter / on Instagram http://bit.ly/12FkWfT

Everyone has a favourite object. Share a pic of yours to win £100 in our shop #scmcomp #twitter / on Instagram http://bit.ly/12pHbWZ

Materials House - our own Thomas Heatherwick here in the Museum #twitter / on Instagram http://bit.ly/16Bqv13

Filming this afternoon with #CBBCNewsround and our toothbrush collection #twitter / on Instagram http://bit.ly/Y00gvF