100+ ΔS ≥ 0

ΔS ≥ 0


techstuffhsw:  kittehkats:  Cat Behaviour:   The “Butt Wiggle of Doom” is performed by cats when they are about to pounce.  Like a baseball ...

techstuffhsw: kittehkats: Cat Behaviour:   The “Butt Wiggle of Doom” is performed by cats when they are about to pounce.  Like a baseball …