How to build a helmet-mounted camera for mountain biking for $35
Another great CVS camera hack HOW TO…When I first saw the CVS disposable camera, I knew that it would be hacked soon. I also knew that as soon as it was, I would have to buy one, and I knew exactly what I wanted it for: Mountain biking. Here are directions for building a helmet mount for the CVS one-time-use camcorder. Includes photos and a 10 minute trail riding video. Link.
“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. [
I was bidding on a CVS camera to hack, and eBay pulled the auction. I am not sure why. Dear phillip m torrone- The following listing: 7536840005 – CVS One Time Use Digital Video Camcorder With Sound – has been removed from eBay for violating eBay policy. Since this listing was removed, you are not required to complete the transaction. For a complete list of eBay’s policies, please