27:55E-paper hacking: fastest possible refresh rateApplied Science582K views · 4 HN recommenders · 2018–2021
26:45DIY mass spectrometer measures potassium in dietary salt substituteApplied Science454K views · 3 HN recommenders · 2020–2023
27:58Build an electroluminescent glass panel display -- an Apollo DSKYApplied Science523K views · 2 HN recommenders · 2019–2023
38:18Glass engineering - designing and making photochromic glassApplied Science517K views · 2 HN recommenders · 2017–2022
22:48Demo and teardown of an X-ray fluorescence gun (measures chemical composition)Applied Science370K views · 2 HN recommenders · 2020–2024
14:57DIY Scanning Electron Microscope - OverviewApplied Science633K views · 1 HN recommender · 2015–2025
15:41How anti-theft tags work - magnetostrictionApplied Science887K views · 1 HN recommender · 2017–2020
27:46Laser diode self-mixing: Range-finding and sub-micron vibration measurementApplied Science492K views · 1 HN recommender · 2019–2025
30:15Antique 4x5 camera creates 20 micron photolithography masks: Super tiny tax formApplied Science429K views · 1 HN recommender · 2020–2025
14:22Hypercentric optics: A camera lens that can see behind objectsApplied Science597K views · 1 HN recommender · 2022–2026
7:45Measure the mass of an eyelash with a DIY microbalanceApplied Science141K views · 1 HN recommender · 2018–2026
