Steps to Redact PDFs for Free: Beware the Difference Between True Redaction and Mere Visual Masking

There are many situations where you need to share a PDF while hiding only specific parts, such as addresses, account numbers, ...

[Permanent Preservation Edition] Were there actually two sets of the "8-bit PC Big Three"? A complete history of the domestic PCs that pioneered Japan's IT dawn thro…

The Big Three of the first generation weren't Fujitsu, but Hitachi's Basic Master, weren't they!From the late 1970s to the ...
Nanowerk

Light reprograms tiny metasurface for adaptive optical computing

Researchers use laser light to reprogram a liquid-crystal metasurface, enabling tunable optical functions for future ...