Why judge a screen with a naked eye when you can do it with a… microscope? That’s exactly what Engadget’s people did. That is, they took a new iPad and an iPad 2, and placed them under a microscope at a 230x magnification. If you ever had any doubt about the retina screen, this may be the only way to satisfy it once and for all. Four indicative pictures reveal the pixel clarity on the screen of Apple’s new tablet. Science has spoken and the result is… undisputed.