[Space] condensation on lenses

Jonathan Moore moore at eds.org
Wed Jun 9 17:20:32 UTC 2010

On Wed, Jun 9, 2010 at 10:08 AM, Blake Barrett <Blake at blakebarrett.net> wrote:
>    The thought of using a hand warmer has arisen before, but all the ones we
> have come across are either electric (and thus requires batteries) or are
> chemical based that require oxygen to create their heat.

Backus uses the air breathing hand warmers and it has worked out well for them.


More information about the Space mailing list