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Instruments of Discovery: NMR, STM and the Radio Telescope

Intermediate

Five questions from the discovery stories behind the NMR spectrometer, the scanning tunneling microscope and the radio telescope.

Choose how you want to play.

Practice
Untimed. Take as long as you like with each question. Practice attempts are never scored on the leaderboard.
Ranked
Timed, to keep the leaderboard fair. You will see exactly how much time you have before you begin. Limited to three ranked attempts per length.