He always signed his autograph by writing with both hands simultaneously, creating a beautiful baroque script.

The X-10 drive ran at 4x spindle speed and could write or read to both sides of the floppy simultaneously.

They are simultaneously writing more original material for their second EP that will be released in early 2013.

Voters are to chose an assembly that will simultaneously write a permanent constitution and serve as the first democratic parliament.

Yet Shepard somehow manages to write simultaneously in both of them and neither of them.

He became the first person to be credited with simultaneously writing and guest starring in an episode of The Simpsons.

He began simultaneously writing a non-fiction book, which he found easier, spending two years working on it while the interest in the miniseries disappeared.

He found both tempting, and at one point "even had a wild notion of suggesting that I should write for both simultaneously".

Multiple tape heads simultaneously write parallel tape tracks on a single medium.

Leonardo da Vinci could draw with one hand, and write with the other simultaneously.