For example, if a buyer obtains a seven-year balloon mortgage to purchase a home, he has seven years of equal monthly payments at a fixed interest rate. This rate is often lower than what the buyer would otherwise be able to secure under a traditional mortgage loan.
When sound reflects off a special curved surface called a parabola, it will bounce out in a straight line no matter where it originally hits. Many stages are designed as parabolas so the sound will go directly into the audience, instead of bouncing around on stage.
She blinded me with science: Why does it hurt to hit your elbow, but not to pinch its skin? Question: Why does it hurt so much to hit your elbow, but not at all to pinch the skin there? She Blinded Me with Science: How does a fly land on the ceiling?