› added 6 days ago
4
TIL wet fingers often don’t leave usable fingerprints because water removes the oils that normally transfer prints — which is also why your phone can’t recognize them when they’re wet.
› added 6 days ago
4
TIL wet fingers often don’t leave usable fingerprints because water removes the oils that normally transfer prints — which is also why your phone can’t recognize them when they’re wet.