Discover how to build your own automatic tennis ball launcher for dogs in this detailed and entertaining tutorial. Starting ...

[hw97karbine] has made a pretty cool tennis ball cannon. While making a cannon of this sort is nothing new to us, we were impressed by the effort taken to get a stoichiometrically ideal mixture of 3.2 ...

[hw97karbine] has made a pretty cool tennis ball cannon. While making a cannon of this sort is nothing new to us, we were impressed by the effort taken to get a stoichiometrically ideal mixture of 3.2 ...

I don't have a dog, which is probably a good thing as I bore terribly easily and playing with it all the time would soon lose its charm. FetchBot might be one way of alleviating said-boredom (both for ...

Watch as a simple tennis ball spill sparks the creation of an incredible custom bicycle with tennis ball wheels! From ...

Now, a beer launching fridge I can understand, but a tennis ball cannon? I find it amusing when someone spends a tremendous amount of time and effort building something that can automate basic ...