I'm a Game Programmer with no physics experience and I custom built a physics engine with destructible levels and fully interactive fluids! AMA.
Here's the catch – it took me 5 years! Our game Organic Panic is live on Kickstarter with just a few hours to go, here's the proof - http://www.kickstarter.com/projects/1168870049/organic-panic-a-physics-puzzler-where-you-build-th – wonder why it took half a decade? Ask Me Anything!