Ultimately, it’s important to understand that sustainability projects don’t need to achieve perfection from the start.

Containing just one digital movie projector and a screen, it was recognised by the Guinness Book of Records as the smallest building used as a cinema in the world in 2005. Despite its small size ...

and perhaps the world’s smallest thermal camera. He took apart the Flir One iPhone thermal imaging unit and pulled out the magical part that makes it all possible — the Lepton module.