Secondhand booksellers believe they may have been caught up in the AI supply chain that sees old books scanned then destroyed Follow our Australia news live blog for latest updates Get our breaking ...

Why did an ordinary schoolbook become so treasured that enslaved people risked their lives to possess it? In this episode, Roman and historian Imani Perry follow the Webster Blue Back Speller from the ...

Optical materials are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific material at each task ...

A tiny screw. A precise angle. How America built a hidden empire, one standard at a time.