The National Physical Laboratory (NPL) is the UK 's National Measurement Institute
Still busy at the @NPL Raiders of the Lost Amp stand @summerscience exhibition
Dry ice queen, Laurie getting the @NPL exhibit ready for @summerscience today!
Lab tours in progress, showing our friends from @DiamondLightSou round NPL
NPL's Sally Williams accepting the BITC Work Inspiration Award for our NPL Academy (http://bit.ly/d2tEIw)
Everyone is starting to arrive for the our water rocket challenge! #waterrockets
Here he is....the world's smallest snowman! Just 1/5th the width of a human hair..
Jocelyn Bell Burnell presenting NPL scientist Ling Hao with her Fellowship of The Institute of Physics earlier this morning at NPL
NPL's MD, Brian Bowsher, and Lib Dem MP @philwillismp admiring NPL's secondary ion mass spectrometer
Thanks for a great visit @stephenfry! Glad got to show you some interesting things and you had a good time. Visit again, anytime.
NPL scientists help @MarcusduSautoy & @alandavies1 measure the length of their string
Author and broadcaster Simon Singh gave a great talk at NPL last week
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