https://ouwa.org/artifact/vitruvian-undershot-waterwheel/2026-10-21T04:11:38+00:00https://ouwa.org/artifact/tokamak-magnetic-confinement-fusion-reactor/2026-10-21T06:35:37+00:00https://ouwa.org/artifact/euv-photolithography-scanner-0-33-na/2026-10-21T06:38:54+00:00https://ouwa.org/artifact/ultra-high-field-7-tesla-mri-scanner/2026-10-21T09:03:09+00:00