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Physics Girl
How do touchscreens work?
Season 2
Episode 3
How does a touchscreen work? Why can you text with your finger, but not with a q-tip? The physics of smartphones is a complicated and amazing mixture of engineering, physics, electronics and computer science.
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6:27
Try to sing up the scale of notes into a pipe, certain notes are impossible to sing!
9:46
Don’t try this at home! We did it for you – and for science!
6:12
Three tricky riddles! See if you can solve the 2s riddle!
5:19
Can you solve the next two riddles? (1) the silent round riddle (2) the broom riddle
6:12
See if you can solve (1) the bucket riddle (2) the clock puzzle (3) the bowl riddle!