Alpha is often used in physics and chemistry as a symbol or in the names of things, for example alpha particles (which are two protons and two neutrons bound together into a particle the same as a helium nucleus). The symbol is also used a lot in mathematics in algebra, for example naming angles.
Recurve bow. A recurve bow is a bow with limbs that curve away from the archer when unstrung. A recurve bow stores more energy and delivers energy more efficiently than the equivalent straight-limbed bow, giving a greater amount of energy and speed to the arrow.
Recurve Target Archery. Olympic Gold Medalists, World Champions and World Cup Winners all rely on the performance and innovation of their legendary Hoyt Recurves. Engineered with advanced designs and the best materials, Hoyt recurves are BUILT TO WIN. Bows.