This topic has 1 reply, 1 voice, and was last updated 10 years, 11 months ago by Gary Williams. Author Posts 15 December 2010 at 13:40 #15395 This little electrical gizmo is a very natty heat pump. Has been known to produce ice. Available from RS – http://rswww.com Not cheap though, £25 – 30. 21 December 2010 at 09:05 #15396 Another useful device for VIth form investigations. The Peltier effect can be researched and the cooling rate of the device investigated. Peltier effect devices are used to cool some photomultiplier tubes. Themes: Thermodynamics, electricity Author Posts You must be logged in to reply to this topic.