Electric cars: putting a motor in the wheels is an old idea due to return

At the dawn of the motor industry one of its pioneers, Ferdinand Porsche, caused a sensation at the Paris World Fair in 1900 with a vehicle driven by a pair of electric motors incorporated into its front wheels. This arrangement allowed the Lohner-Porsche (pictured above) to dispense with cumbersome belts, chains and gears. It was […]

The invisible Brexit backstop: making a hard border disappear

It is an all too familiar scene. Long queues of people and vehicles waiting to cross a border, paperwork all in a flutter and stony-faced customs officials rummaging through belongings and peering into the backs of lorries. A question on many minds is whether technology can do away with such perturbations. And the answer is […]

Second time around for Concorde: the return of supersonic travel

Every morning, time once was, a giant roar from Heathrow Airport would announce the departure of flight ba001 to New York. The roar was caused by the injection into the aircraft’s four afterburners of the fuel which provided the extra thrust that it needed to take off. Soon afterwards, the pilot lit the afterburners again—this […]

Pies in the sky: fast-food deliveries by drone are taking off

Maron kristófersson is looking forward to the completion of a new roof on his office in downtown Reykjavik. It is not that the old roof leaked, but rather that the new one will be heated. Mr Kristófersson is the boss of aha, which delivers on behalf of restaurants and shops in Iceland’s capital. The heated […]

Helicopters of the future will fly in new ways. Pilots will be optional

UNLIKE a helicopter, aeroplanes are inclined to fly, Harry Reasoner, a veteran American newsman, wryly observed after watching choppers in action during the Vietnam war. He wrote: A helicopter does not want to fly. It is maintained in the air by a variety of forces and controls working in opposition to each other, and if […]

On the plastic highway

OF ALL the plastic produced since the 1950s, less than 10% has been recycled. The vast majority ends up being dumped, most of it in landfill. Some is left to litter the natural environment, where it can get into rivers and wash out into the sea (see article). The plastic-waste problem will worsen before it […]