Hand Warmer Science – Instant Hot Ice
There’s nothing like a good hand warmer in your glove when you’re skiing. But how do they work? Our science guy Steve Spangler uncovers the science secret that makes your hand warmer work.
There’s nothing like a good hand warmer in your glove when you’re skiing. But how do they work? Our science guy Steve Spangler uncovers the science secret that makes your hand warmer work.