These contraptions are powered by a 'lightweight battery' which he will keep in his back pocket.

The microrobots can use a small lightweight battery source like a coin cell or can scavenge power from the surrounding environment in the form of vibration or light energy.

The bikes cost 750 each and use lithium lightweight batteries that can last for 20 miles on hilly terrain or 30 miles on the flat.

It specialises in manufacturing lightweight carbon composite components, such as engine casings.

It has been sitting on a fuel-saving box-wing concept for about 30 years — waiting until advancements in lightweight carbon composite materials made it viable.

The plane, the first to be made largely of lightweight carbon composites, has had a chequered history.

The clouds, which will cost 310,000 each, are made from a lightweight carbon structure and carry a giant envelope of material containing helium.

All it has, in fact, are two 40ft lightweight carbon fibre hulls, a long mast and three enormous sails.

A tuned damper reduces the vibration of a system with a comparatively lightweight component so that the worst-case vibrations are less intense.

Together with more lightweight components, this should help reduce emissions and improve economy.

Whereas the competition was experiencing road failures with their engines because they followed traditional design methods and used lightweight components.

Corbeil buses were known for utilizing lightweight components, allowing for many flexible floorplans.

The resulting 340bhp may sound a bit anaemic by modern supercar standards, but the lightweight construction means it weighs just 1,587lb.

Its lightweight construction takes the hard work out of ironing.

Anyway, he recommended a pair of lightweight construction sandals in 100 per cent goatex, with a unique, gel-injected mid-sole and all-weather calf straps.

This simple and lightweight construction made the units easily portable.

The accident also caused criticism of the lightweight construction of the railbus, whose units dated back to the 1950s.

Last year the company updated the classic boot, first worn in 1968, with a soft, lightweight design aimed at enhancing touch, feel and control.

Its lightweight design, at about 7lb, has made it a favourite with bodyguards and for fighting at close-quarters.

These and other recent cases have been attributed to the lightweight design of modern football boots, which provide less protection to the foot.

Frames are often constructed of moulded carbon fiber, for a lightweight design, although more traditionally frames are constructed from steel, aluminium, or other metal alloys.

The strength of cast iron allowed a more elegant and lightweight design, especially compared with heavyweight granite bridges.

A lightweight material, such as decking against a brick or stone building, doesn't have enough visual weight to tie the building down.

These are wind and waterproof, made from a lightweight material and have a reinforced toe and a reflective trim to keep you visible as the nights draw in.

These suits are often made from very lightweight material for high flexibility.

Depending on the climate it can be made of very lightweight material or heavy wool.

They are constructed from carbon-kevlar or a similarly lightweight material.

The other defining qualities are fluid, lyrical phrasings and some surprisingly lightweight textures.

For people steeped in country music's hardscrabble idioms, jeopardising their hard-won victories because of a bit of interpersonal aggro looked surprisingly lightweight.

Usually, you can rely on them to field a strong, physical team but the other night they were surprisingly lightweight.