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.
Bows: Compound, Longbow & Recurve. For bowhunters and archers, Cabela's has all you need to get you ready to take aim with a bow. From compound bows to recurve and longbows, Cabela's accommodates all archery disciplines. Compound bow brands like Cabela's, Bear Archery, Diamond Archery, PSE and Quest are all ready to take down a trophy buck.