Astronomy Picture of the Day · October 4, 2011

QR Codes: Not for Human Eyes

The Astronomy Picture of the Day for October 4, 2011 is “QR Codes: Not for Human Eyes,” an image. It is credited to Image Credit: Kaywa QR Code Generator (Free). The original explanation runs about 186 words.

From the explanation

“This communication was not meant for human eyes. It was not even meant for aliens eyes .”

— APOD editors, October 4, 2011

Read the full explanation on science.nasa.gov

At a glance

Date: October 4, 2011
Type: Image
Credit: Credit: Image Credit: Kaywa QR Code Generator (Free)
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 186 words

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On this day: October 4 in other years

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Source

Astronomy Picture of the Day, October 4, 2011 — science.nasa.gov/image-article/apod-2011-october-4-qr-codes-not-for-human-eyes

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.