waldopepper: Replacing all door handles with these at home
waldopepper: Warning lights
waldopepper: Microwave Anechoic Chamber - love this
waldopepper: DO NOT TOUCH THE MASER. What is a maser?
waldopepper: OMG GIANT TRIPOD
waldopepper: Anechoic chamber
waldopepper: How long is a piece of string? 319.442mm
waldopepper: mmm Strontium lattice
waldopepper: Door is coloured pink so you can find it when closed
waldopepper: WHIBBERLEY
waldopepper: MSF Radio sets a million radio-controlled clocks in the UK
waldopepper: Waiting for my ice-cream made with liquid nitrogen
waldopepper: Lone worker detected!
waldopepper: NPL Open Day