How we made the world's biggest lemon battery - from the 2016 Christmas Lectures

Find out how the Ri and 2016 Christmas Lecturer Saiful Islam made the world's biggest lemon battery, using over 1,000 lemons, and getting into the Guiness Book of Records. Watch the full 2016 lectures here: https://www.rigb.org/explore-science/explore/video/supercharged-fuelling-future-let-there-be-light-2016 --- The 2025 CHRISTMAS LECTURES from the Royal Institution will be broadcast on the BBC and iPlayer on the 28, 29 and 30 December, and Premiered on our YouTube channel on 28 December 19:00 GMT. Tune in to join Space scientist, educator and BBC Sky at Night presenter Dame Dr Maggie Aderin-Pocock as she explores the extraordinary breakthroughs that have revolutionised our understanding of the universe. --- Join this channel to get access to perks: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join Subscribe for regular science videos: http://bit.ly/RiSubscRibe --- The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and TikTok: https://www.tiktok.com/@ri_science Listen to the Ri podcast: https://podcasters.spotify.com/pod/show/ri-science-podcast Donate to the RI and help us bring you more lectures: https://www.rigb.org/support-us/donate-ri Our editorial policy: https://www.rigb.org/editing-ri-talks-and-moderating-comments Subscribe for the latest science videos: http://bit.ly/RiNewsletter Product links on this page may be affiliate links which means it won't cost you any extra but we may earn a small commission if you decide to purchase through the link.