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12th Oct 2009

Is it dangerous to sit too close to the TV?

Diana O'Carroll

Tube TV-set of 1957-60, model OT-1471 "Belweder". 14-inch screen diagonal.

We find out why we were told as kids not to sit too close to the television. Is there any scientific basis to the warning? Plus, we ask how it is that spiders manage to build such intricate and regular webs without geometry equipment.

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