Shotgun shell flower vase…
Well, it’s my birthday today, and despite my request for no presents, I did get a couple of MAKE-like goodies. Here is a spent shotgun shell turned into one of those flower vases with the suction cups. Photo here and here (with flower). I wonder what it shot.

Another great
“Digiscoping”, based on methods of marrying your digital camera to a conventional optical device, is an off-the-shelf solution for TreeHugger closeups of birds, concerts, and sporting events. The better way is to adapt a decent digital camera, which you may already have and spent a lot of time learning to link to your computer, to fit with a decent spotting scope.
Digital microscopy systems can cost thousands of dollars but a very useful model can be assembled by using one decent compound microscope and consumer products that cost less than $150. Many hopitals and universities have retired micorscopes that can be adapted to this task. The plans found here show how to modify a commonly found microscope. Thanks Dan!

Here’s how to make an ultra-cheap external cell phone antenna from coax cable and a hangar. You’ll need- A wire pants hanger. A length of coax cable (2′ should do). A plug that fits into your phone’s external antenna jack on your phone. (or be prepared to rig something together)
The principles of its operation are simple: The fan creates an air flow which is cooled by contact with the 4 bottles full of ice. In this way, the temperature of the air flow is reduced to a more tolerable level. The more bottles the better… You must closely watch it unless you want a swimming pool on your carpet or floors. [