To calculate all the breaths you take in a lifetime we have to know a couple of things. First of all we have to know the size (volume) of an average breath. Secondly we have to know how frequent we breathe (number of breaths per minute).And finally we have to decide how long you are going to live.o calculate all the breaths you take in a lifetime we have to know a couple of things. First of all we have to know the size (volume) of an average breath. Secondly we have to know how frequent we breathe (number of breaths per minute). And finally we have to decide how long you are going to live.
Step #1: Make the slingshot. 1  Make elastic bands. 2  To begin, tie 2 rubber bands together to make a long band. 3  Make a pocket. 4  Cut a small rectangle out of a scrap of leather or sturdy cloth. 5  Assemble. 6  Tie the rubber bands to the ends of a forked stick.
Big Shot Line Launcher. The easiest way to get your line into the tree, this line launcher works like a giant slingshot to launch lines up to 100 feet. Can be used with a standard throw weight and throw line system, or with the specially-designed bullet-style weights.ig Shot Line Launcher. The easiest way to get your line into the tree, this line launcher works like a giant slingshot to launch lines up to 100 feet. Can be used with a standard throw weight and throw line system, or with the specially-designed bullet-style weights.