Silicon and gas lamp: what they have in common

1. Step 1. Silicon — is material for — DLP chip. On a silicon chip.
2. Step 2. DLP chip — is part of — Digital projector. A DLP chip.
3. Step 3. Digital projector — evolved from — Film projector. Digital projection.
4. Step 4. Film projector — has part — Incandescent light bulb. The light source (formerly an arc).
5. Step 5. Incandescent light bulb — evolved from — Gas lamp. Electricity displaced gas lighting.

Open Evothings