Past IYPT Reference Archive IYPT 2022 Crowdsourced References Select Phenomenon Demonstration on YouTube IYPT 2021 Crowdsourced References Select Phenomenon Demonstration on YouTube IYPT 2020 Crowdsourced References Select Phenomenon Demonstration on YouTube For earlier IYPT Reference Kits, please visit Dr. Ilya Martchenko’s site. Past IYPT Reference Kits
