The first time we tried to click on this link to a NASA Web page on making a pinhole “camera” (it won’t take pictures, but you’ll see the eclipse safely), we couldn’t get through. So that you can avoid the same problem, we’re reprinting their instructions here.
You can easily do this in a hurry if you’ve got just a few common items handy. Here’s what that Web page says:
How to Make a Pinhole Camera
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See also:
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Before you get started, remember: You should never look at the sun directly without equipment that’s specifically designed for looking at the sun. Even using binoculars or a telescope, you could severely damage your eyes or even go blind! Solar eclipses themselves are safe. But looking at anything as bright as the sun is NOT safe without proper protection. And no, sunglasses do NOT count.
Stay safe and still enjoy the sun’s stellar shows by creating your very own pinhole camera. It’s easy! Here’s how:

Image from NASA Jet Propulsion Laboratory
You don’t even need to be home. You have this stuff in your office. Aluminum foil? Check the office refrigerator.

Image from NASA Jet Propulsion Laboratory
Step 1

Image from NASA Jet Propulsion Laboratory
This will let your kids see it without looking at it.

Image from NASA Jet Propulsion Laboratory
More

Image from NASA Jet Propulsion Laboratory
Using it

Image from NASA Jet Propulsion Laboratory
Actually, we think this is what happens when you get bored with the eclipse. Seems a little crazy. Clearly, NASA needs to work harder on a real project, like getting to Mars.
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