Magnifying glasses are tricky to make when the refractive index of glass isn't constant
From the When the laws of physics pack up challenge. See all 348 entries (closed)
( , Sun 20 Jun 2004, 18:28, archived)
From the When the laws of physics pack up challenge. See all 348 entries (closed)
( , Sun 20 Jun 2004, 18:28, archived)