Sheet 2 — Parts on the bench
The explorers
Grouped by field. Open a category, pick a device, then rotate, zoom and pull it apart.
Sec. A3 explorers
Daily objects
The things in your pocket and on your desk.
Inside a smartphoneA 2025-era flagship phone, 26 parts from back glass to display. Record and upload a video, then watch the battery swell into thermal runaway.
Inside a digital cameraA mirrorless camera and zoom lens, 26 parts. Shoot a burst through the shutter and stabilised sensor, then watch a worn shutter fail.
Inside a wrist watchAn automatic watch movement, 27 parts. Wind it and watch the escapement tick the balance, then magnetise the hairspring.
Sec. B2 explorers
Electrical engineering
Machines that convert electrical power and turn it into motion.
Sec. D1 explorer
Medical devices
Machines that look inside the body, and the physics that makes them work.
Sec. E2 explorers
Energy
Machines that harvest, store and deliver energy.
Inside a wind turbineA 3 MW geared turbine with a 100 m rotor, 24 parts. Start it in a rising wind, then follow a runaway after a pitch failure.
Inside a lithium-ion pouch cellA 60 Ah electric-car cell, 18 parts from the pouch down to a 300× view of the electrodes. Drive and fast-charge it, then see lithium plate out in the cold.
