(wrong string) � luminosa

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From: Olivier <ilgalla_at_libero.it>
Date: Mon, 09 Oct 2006 22:12:35 GMT

Quante candele ci vogliono per illuminare un oggetto lontano 100m in modo che
sia visibile al buio (50 lux)? Non riesco a districarmi tra lumen, lux, candele
e steradianti!

Olivier
Received on Tue Oct 10 2006 - 00:12:35 CEST

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