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Squeak 6.1

LED Light Therapy

Squeak 6.1

Squeak 6.1, the latest version of the programming environment, has been officially…

Light Mask Team
August 11, 2026

Parametron: 50S Japanese Computer That Uses Neither Transistors Nor Vacuum Tubes

History

Parametron: 50S Japanese Computer That Uses Neither Transistors Nor Vacuum Tubes

A 1950s Japanese computer, the Parametron, used no transistors or vacuum tubes, marking…

Light Mask Team
August 11, 2026