Each month we’re posing five pub quiz style questions, with a different subject each month. As before, they’re not difficult, but it is unlikely everyone will know all the answers – so hopefully you’ll learn something new, as well as having a bit of fun.

Physical Science

1. What does a Geiger-Müller Counter measure?
2. Which British-Italian engineer obtained a patent for radio in London in 1897?
3. What man-made spacecraft is generally recognised as the first to leave the solar system?
4. What is the speed of sound in a vacuum?
5. Who discovered that the earth revolves around the sun?

Answers will be posted in 2 weeks time.