light bulbs

Thomas Edison first light bulb (1880)

Skin Light Bulb, Izumi Hamada and Hideo Hashimotode of PD Design

Flat bulb design by Joonhuyn Kim

Pieke Bergmans, Virus light bulbs, led

Thomas Alva Edison light bulbs

Shadow bulb, Melissa Borrell

An instructable on glass etching here.