Despite 140 years of development, some bike engines still consume the very stuff that’s there to protect them. Professor Jamie Turner explains why

WATCHES ARE QUITE simple in principle. They need an oscillator, a display and a power source. Horophiles get very excited indeed about oscillators such as free-sprung balances, tuning forks and quartz

The latest book releases for curious minds

HUMANITY HAS CHANGED AN AWFUL LOT IN THE PAST 58 YEARS. THE MOON? NOT SO MUCH. It was in 1968 that astronauts first drew near the moon, and it will be early this year, if all goes as planned, that a c

The future of Greenland has dominated the headlines in recent weeks, but increasingly the real action, both commercially and militarily, is taking place hundreds, even hundreds of thousands of miles a

Boxes, poles, chairs and belts combine to carry skiers to the top of snowy mountains