7
Tube trains could navigate the Underground using the weird rules of Quantum Physics
(www.ianvisits.co.uk)

"who’d a thunk it"
For discussion about London including the surrounding Greater London area. Discuss all things from news, travel, culture, and general life around the capital and largest city of England!
Rules and other welcoming info can be found here.
I'd be more interested if they managed to invent tube trains which defy the rules of quantum mechanics.