Hank Green, of vlogbrothers fame, came up with "2D" glasses. http://www.2d-glasses.com/ http://www.2d-glasses.com/ Instead of different polarisation in each le

Hank Green, of vlogbrothers fame, came up with "2D" glasses. http://www.2d-glasses.com/ http://www.2d-glasses.com/ Instead of different polarisation in each lens, like normal 3D glasses, it just uses identical polarisation in both lenses.