Revolving door generates power for café
Nature cafe La Porte said patrons using the revolving door can look at a meter telling them how much electricity their entrance generated for the establishment, Expatica reported.
Workers said one person entering the store through the revolving door creates about enough electricity to prepare a single cup of coffee.
Related News

State-sponsored actors 'very likely' looking to attack electricity supply, says intelligence agency
OTTAWA - State-sponsored actors are "very likely" trying to shore up their cyber capabilities to attack Canada's critical infrastructure — such as the electricity supply — to intimidate or to prepare for future online assaults, a new intelligence assessment warns.
"As physical infrastructure and processes continue to be connected to the internet, cyber threat activity has followed, leading to increasing risk to the functioning of machinery and the safety of Canadians," says a new national cyber threat assessment drafted by the Communications Security Establishment.
"We judge that state-sponsored actors are very likely attempting to develop the additional cyber capabilities required to disrupt…