The standard test image in computer image processing come... | funfact.wiki | funfact.wiki
The standard test image in computerimage processing comes from a 1972 Playboy magazine. A researcher cropped Lena Forsen's photo for a paper, and it became the field's benchmark, earning her the nickname "First lady of the internet."
Bill Burr, who wrote the 2003 NIST guidelines recommending passwords mix uppercase, numbers, and special characters, later said he regretted it — his reference material was from the 1980s. Experts now say long passphrases of multiple words are both safer and easier to remember.
Japan's standard character set JIS X 0208 holds 6,355 kanji. A dozen — like '妛' and '彁' — have no traceable source and are considered mistakes. They display fine on most computers, yet these 'ghost characters' never really existed.
On a leap-second day, the last minute can have 61 seconds. To keep UTC close to Earth’s rotation, clocks may insert 23:59:60 after 23:59:59. Because that extra second can disrupt computer systems, global timekeepers plan to change the system by 2035.
Tim Berners-Lee, the father of the Internet, apologized for adding "//" to "http://". He said "http:" alone would have sufficed, but he added the slashes because "it looked cool at the time."