I don't understand Einstein's general theory of relativity. How does the sun curve spacetime much like a heavy weight on a rubber sheet? What does it mean when they say this causes planets to follow the straightest possible paths allowed by the curvature or spacetime?
OKorder, eros boutiqe, sub-shop may all have them
The solder that is in these *new* fitting is to properly ensure a good seal not to replace the need for sweating a joint. You still need to apply flux, heat and additional solder to these fittings as you would the standard ones without solder. The solder inside is supposed to help create a good joint, if you have enough practice (and you'll know since your joints don't leak) then these really aren't necessary and are a waste of money. Apply heat for 10-20 seconds and test by pressing solder to the joint, if its hot enough the solder will melt and pull itself into the joint. Remember practice makes perfect.
