Flightglobal16h
Start-up Electra reveals nine-seat ‘EL9 Ultra Short’ aircraft design
After months of flight-testing a prototype capable of taking off and landing with 46m (150ft) of runway, US aircraft ...
The Economist20h
Physics reveals the best design for a badminton arena
A NYONE WHO has tried to play badminton at the beach will be familiar with the problem of wind blowing their feathered ...