202: Sharpen Your Pencils iLikeBatteries
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- Éducation
Jeff and Mike wish you a happy National Battery Day; Lion Energy Eclipse charger still on sale; graphene batteries are getting pretty cutting edge; a fire-proof battery?; playground surprise.
Jeff and Mike wish you a happy National Battery Day; Lion Energy Eclipse charger still on sale; graphene batteries are getting pretty cutting edge; a fire-proof battery?; playground surprise.
19 min