In the early 1990s, the largest wind turbines had a generating capacity of around 150 kW. The corresponding figure today is 6 MW.

Unlikely as it may seem, worms can be a big help in accurately pinpointing the location of faults in buried cables.

When a recession strikes, the instinctive response for businesses is to slash expenditure to the bone, and that invariably means putting all investment plans on hold. For some businesses that are in poor financial health, such a response may be unavoidable,...