I am familiar with the concept but as far as the math behind it, I'm completely clueless. Been reading everything I could get my hands on, it's making me feel real stupid >.<
Homework Statement
"Anthony and Dobson are twins. Dobson travels in a straight line away from Earth for 7 years according to his time at 0.96 times the speed of light. After 7 years he turns back and travels back to Earth at half the speed. Meanwhile, Anthony was waiting stationary on Earth...