As generative AI companies search for cleaner training data, one of the internet's oldest institutions is quietly changing its economic model. The Wikimedia Foundation, which operates ...

On 15 January 2001, Wikipedia appeared online with a short announcement saying it was new. Pew Research Center traces ...

At 25, Wikipedia embodies what the internet could have been: user-powered, open, and accountable. Wikipedia may have its warts, and it's far from perfect, but it's transparent about its imperfections.

Abstract: In this paper, a variable structure two-wheeled robot is studied. First, we show the system modelling using Appell dynamics. A simplified and decoupled linear model, which describes the ...