The code is documentation enough Variant:T-Shirt (Fair Geekwear) The marble roller coaster guarantees

The marble roller coaster guarantees you hours of fun putting it together and looking at it later

It should actually be clear that the potential depends on how strong the gravitational field is

there seems to be some kind of attraction between the two

Visit her homepage and take a look at her other T-shirt designs

Many of the customer photos still show the old version - we didn't have the heart to delete the photos because of all the cute animals (Cat content FTW

The code is documentation enough Variant:T-Shirt (Fair Geekwear) The marble roller coaster guaranteesComments in the code are grossly overrated. Everything is already there! If you have a plan of the matter, you don't need any extra explanations ;)