Source: 9 to 5 Mac
quote: All recycling and renewable energy is "lossy."
quote: The sun isn't renewable, the energy from it comes at a loss to the reserved energy of the sun.
quote: And theories make everything more understandable. Newton's theories on motion didn't only describe what existed at the time, but helped people create more useful things that Newton never imagined could exist. The engine for example. "Theoretically" is one of the things that does help the real world, and quite significantly at times.