No glasses? Indirect viewing is another way to enjoy the eclipse without damaging your eyes. Brinton said there are several ways to indirectly view the event, including a homemade pinhole projector.
Nasa scientists warned against using homemade filters or ordinary sunglasses ... Instead, they advised people to obtain special eclipse glasses from the American Astronomical Society (AAS ...
Firstly, ‘eclipse glasses’ are not a corporate sales ploy ... ‘Ordinary sunglasses, even very dark ones, or homemade filters are not safe for looking at the sun,‘ emphasizes The American ...