Coolest of all time is probably the touchscreen that you can use in an MRI[1]. B...

		hoosieree on Aug 8, 2023 \| parent \| context \| favorite \| on: Ask HN: What's the coolest physical thing you've m... Coolest of all time is probably the touchscreen that you can use in an MRI[1]. But my current favorite is a low-impedance guitar pickup[2]. [1]: https://patents.google.com/patent/US10820839B2/en [2]: https://alexshroyer.com/posts/2023-01-01-Low-Impedance-Picku...