A U.K. LEGO builder who calls himself The Goldfish recently unveiled a set of logic gates (binary switches used in computer circuits) made out of Legos.

Logic gates with Lego Dec. 27, 2006 Here is a Web site by a guy who designed working versions of all the basic logic gates, that is the NOT, OR, NOR, AND, and NAND gates, with Lego blocks.

Building logic gates out of silicon is old hat, as is building them from discrete transistors, 555 chips, LEGO, and even gears. [Yukio-Pegio Gunji] and [Yuta Nishiyama] from Kobe University, along … ...

Lego logic gates be damned, we're stepping up to the Babbage big time now, and the Lego difference engine's where we're at. Andrew Carol's design computes 2nd or 3rd order polynomials to 3 or 4 ...