Eric M Rogers demonstrates how we can harness the power of uranium-235 atoms, with help from a giant mousetrap. Watch the full fifth lecture of the series: https://www.rigb.org/christmas-lectures/watch/1979/atoms-for-enquiring-minds/atoms-and-energy?utm_source=youtube&utm_medium=social&utm_term=description Eric M Rogers gave the 1979 Christmas Lectures "Atoms for Enquiring Minds" about atoms, these particles that are too small to be seen with a naked eye, but can be indirectly visualised and explored. The fifth lecture "Atoms and Energy", where this clip is from, explores the structure of atoms and the ability to extract energy from them via fission. Watch the full series: https://www.rigb.org/christmas-lectures/watch/1979/atoms-for-enquiring-minds?utm_source=youtube&utm_medium=social&utm_term=description The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter