between a wedge and an inclined plane? I guess Heron of Alexandria not having prior art on that simple machine makes it a more attractive patent target?
If you don't want to honor the checkbox to disable advertising, could you at least add a checkbox to disable video? Slashdot has been an "idle moments at work" pastime for me for years, and as such, I don't watch video -- slashvertisement or otherwise.
High school intro to programming should fill the same niche as shop class -- to get students interested in creating stuff.
Numeric stability is probably not all that important when you're guessing.