3-D movie glasses work in a completely different way. To explain how they work, I introduce the concept of stereoscopy. In a nutshell, with a 3D movie, the projector sends two images to the same ...

And I mean real eclipse glasses that meet proper ISO 12312-2 international safety standards and not regular sunglasses, 3D glasses (the sun is already in 3D), or anything that will still allow the ...

Authentic glasses have lenses that meet the ISO 12312-2 standard, the international standard for safely viewing the sun. They’ll usually look like cardboard 3D glasses, with much darker lenses ...

BARTLETT, Tenn. — In most other years, American Paper Optics produces 3D glasses to fulfill orders for theme parks and movie theaters, creating what its top executive calls “optical joy” on ...

These glasses look extremely similar to the 3D glasses you wear at the movie theater, without the red and blue lenses. Instead, eclipse glasses have more of a darkened, reflective look to its ...