Curiosities

“As a boy”

By posted at 12:00 pm on July 15, 2015 1

In 2002, David Friedman thought of a question he wanted to ask Oliver Sacks, on the topic of 3D glasses and “pseudoscopic” vision. A week after he sent the letter, he received a typewritten reply, complete with diagrams. At The Morning News, a copy of the letter he received, along with background.

The Millions' future depends on your support. Become a member today!




Share this article

More from the Millions

One Response to ““As a boy””

  1. Wendy
    at 3:32 pm on July 16, 2015

    Gained stereoscopic vision at 40? Huh. I don’t know what I’d do with stereoscopic vision. Given how much painting and photography is in my life, it may not be an advantage to achieve it.

Post a Response

Comments with unrelated links will be deleted. If you'd like to reach our readers, consider buying an advertisement instead.

Anonymous and pseudonymous comments that do not add to the conversation will be deleted at our discretion.

NEW COMMENTING RULE: Comments may be held for moderation and/or deleted. Whitelisted commenters will see their comments appear immediately. Don't be a jerk. We reserve the right to delete your comment or revoke commenting privileges for any reason we want.