Triangles peaked in popularity last year. Now, all of the kids in the suburbs fight schoolyard wars over scalene versus isosceles loyalty. Urbanites have moved on and embraced the sphere. The purest way to interact with that hallowed, round, geometrical shape: play billiards. Proportionally epic, The Academy is the most refined stick, slate, and ball spot in the city (perhaps the country). Housed in a historic post-factory building, the Academy space formerly belonged to the Brunswick/Samuel May Company (the billiard table manufacturers (apropos)). Now, with four elegantly appointed rooms, running the gamut from cavernous and fine to fine and stately, AS of A caters to chalkers and diners of the well-pressed ilk. -S.T.