harmonic wave

The Sun is no longer singing solo and is now part of a stellar choir
As anyone starting out knows, the violin is a difficult instrument. It takes time before the novice player can expect to produce a musical note at the desired pitch, instead of a whistle, screech or graunch. Jim Woodhouse and Paul Galluzzo explain why.
On 11th August 1999 a total eclipse of the Sun will be visible from parts of the UK. It will provide a spectacular display, but why is the Sun so interesting? Helen Mason explains.
  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.