Submitted by spacecom4608 in science
If you're ready for a close encounter with the sun's surface these solar binoculars are hard to beat, though they're best used sitting down or with a tripod.
Submitted by spacecom4608 in science
If you're ready for a close encounter with the sun's surface these solar binoculars are hard to beat, though they're best used sitting down or with a tripod.