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'''Polarized light''' made possible the [[stereoscopic]] effect of so-called [[3-D film]]s. Sunglasses with polarized lenses were popularized in the 1960s by [[Polaroid]], which also made the [[Land camera]].
'''Polarized light''' made possible the [[stereoscopic]] effect of so-called [[3-D film]]s. Sunglasses with polarized lenses were popularized in the 1960s by [[Polaroid]], which also made the [[Land camera]].
[[Category:Science]]