A sound wave is a vibration that travels through a solid, liquid or gas such as the air or water. A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and ...
A reader seeks help as her employer of 24 years is bringing in a new clock-in system to pay her by the minute. Read this, Michel Roux Jr's full comment and all the latest personal finance and ...
The FTSE 100 has been propelled to another record high this morning after official figures showed that the UK is now out of recession. The index, of the London Stock Exchange's 100 most valuable ...