Home / Series / Technology Connections / Aired Order / Season 2021 / Episode 3

Reusable handwarmers that get hot by freezing

These things are so cool they're hot.

English
  • Originally Aired January 30, 2021
  • Runtime 18 minutes
  • Production Code Oj0plwm_NMs
  • Network YouTube
  • Created February 12, 2021 by
    Administrator admin
  • Modified January 16, 2024 by
    maxi1134