Doctor Who has his sonic screwdriver – a small tool that can adjust to any situation. It uses advancements in technology to provide an infinitely adaptable tool. While the Hydrokinetic Adjustable Wrench won’t let you start up your TARDIS, it will let you fiddle with twenty three different sizes of bolts and nuts. And the secret resides in wrench’s liquid core. Take a look at the little computer graphic cut-away, and you’ll know what we mean. (pic after jump…)
