So at about 5:40 p.m. today there's going to be a partial eclipse of the sun visible to most of North America.
Here's the problem: you really shouldn't look at it or it will burn your eyeballs without you even knowing it.
What's an amateur astronomer to do?
Here's a cool little video from space.com on how to build a DIY solar eclipse viewer.
Here's a link to instructions on timeanddate.com on how to make a pinhole projector.