Learn · TED

Talk5 min

The solution to our energy problems is … a toaster

Rachel Yang · TED

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About

Industrial manufacturers spend a huge amount of energy generating heat to make everyday materials and objects, like cement, steel, and paper. And since most companies use fossil fuels to reach these high temperatures, industrial heat accounts for 20% of our annual global carbon pollution. Thankfully, this is where a century-old technology comes in. Rachel Yang explores how heat batteries work. [Directed by Sofia Pashaei, narrated by Pen-Pen Chen, music by Cem Misirlioglu, WORKPLAYWORK].

The talk

  1. The solution to our energy problems is … a toaster 5 min · TED's player

Credits and licence

Institution
TED
Department
TED-Ed
Speaker
Rachel Yang
Year
2025
Level
For everyone
Language
English
Subjects
Earth and environment, Teaching and learning
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed