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.
Best 10 Recurve Bows Overall. Chart Key. The table above features a few columns. Here is an explanation of what each of them contains: Name: this is the name of the bow in question. Length: this is the total length of the bow, in inches, from tip to tip. Bow weight: the weight of the actual bow, in pounds.