[Reuploaded due to a copyright strike by Warner Brothers]

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Manufactured by JOI Ingenious Lighting, this unique LED lamp is powered not by batteries, a wall adaptor, or even solar panels, but...candles. How does this strange product work, and is it actually useful?

0:00 Introduction
1:30 Conversion Efficiencies
2:29 Thermocouples, Thermopiles, and the Seebeck Effect
4:23 Common Thermocouple Types
5:54 Thermocouple Thermometers
6:46 Thermoelectric Generators
7:40 Lantern Design and Disassembly
10:53 Lantern Efficiency
13:32 Contest and Outro

SOURCES

https://www.britannica.com/technology/thermocouple#:~:text=thermocouple%2C%20a%20temperature%2Dmeasuring%20device,at%20a%20constant%20lower%20temperature.

https://www.thenakedscientists.com/articles/questions/how-many-watts-burning-candle#:~:text=The%20candle%20was%20burning%202,the%20energy%2Defficient%20light%20bulbs.

https://www.epget.bme.hu/docs/Kutatas/Konferencia/expres2016/02_I_Farkas,A_Szente,D_Nyitri,P%20Odry_EXPRES_2016.pdf

https://electronics.stackexchange.com/questions/325762/how-efficient-are-leds

https://www.omega.ca/en/resources/thermocouple-types

https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://www.shivalikbimetals.com/Catalogue.pdf&ved=2ahUKEwikzOXWpNeFAxVejokEHYyDCqUQFnoECA4QAQ&usg=AOvVaw0Ympmb6o9MiqR4C6sL51gR