Pen pal

Whistle while you jog

An ink to baffle cheats

Secret documents are now safe from the threat of being duplicated as a new ink has been developed which disappears when exposed to the bright …

Mighty magnets

Smaller and more powerful than the conventional, 'neo' magnets may capture half the world market for permanent magnets by AD 2000

Scientists develop new method to store Hydrogen

Scrounging metal

A new technique helps recover metals from water. It could be toxic metals, or even gold

Cobweb wires

Powering ahead

Icy fuel

The cool choice

Absorption cooling could be the answer to peak-time electrical loads

Self-shelter

Garbage power

Muscle power

Filling in fractures

Twin benefits

No fuss burners

Energy savers

Fewer watts: brighter future

Energy-efficient, green lamps are here to reduce consumption of electricity round the globe

Future fuel

Coal is making a comeback, in gaseous and liquid forms, as the fossil fuel of choice

Sunny invention

Methane, inorganically

Smart, green technology

Glittering find

Diamond dust found in outer space

Strength polymerized

The nanobattery has arrived