Dialogue Box 4: Projecting projector costs
Summary: Inside a modern projector, you can find the latest million-mirror nanotechnology — and a light bulb. Guess which costs more
Projectors are getting cheaper and better. But they're also getting noisier and hotter — and the special magic that makes the lamps cost so much still hasn't gone away. Dialogue Box looks at what's inside, and whether it's really worth it.
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Talkback
That was very illuminating.
Where is the Axis of Awesome?
Light it up...
I enjoyed the episode; I can say that I
Beer
Axis back!
What would have been cooler