will looking at the sun through binoculars really blind you?

[wotan]

your real names not John Tickle by any chance?

Brainiac? not me, though I do like that sort of programme.

 

[EddieM]

Yes of course it will if you look at it for any period of time. Back in another life when I was a chemistry student doing a bit of laser spectroscopy my old wag of a tutor jokingly said, you only ever get 2 chances to look into the 3W spectroscopy beam. God he how he laughed when I vapourised him with the CO2 laser