X-Acto knife

Nativity in Outer Space

Each year, my grandchildren and I build a different Nativity landscape. The little statuettes are always the same, but the scenery is different. This year my wife asked for Jesus’ manger to be in outer space. This is the result!

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Wilderness Emergency Bag

In a survival situation, a small backpack that can transform to different uses besides simply carrying items will help your odds of survival. Here are instructions for making a lightweight and durable multi-use survival bag.

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Custom Wakeskate

This is how I went about making my very own wakeskate, from design, to building a jig, to laminating and finishing the board, to riding it behind the boat.

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iPhone Flies on a Rocket: Collect and Analyze Data!

It was a beautiful fall morning as I carefully packed the parachute, slid in the engine, and installed the igniter in my model rocket. I started the data collection program and slid the payload with a TI Bluetooth low energy SensorTag and an iPhone 4s into the payload bay. Yes, an iPhone. My wife’s iPhone. […]

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Waterskin Canteen

Hi, all! This is my tutorial on how to make your very own waterskin! As a kid, hiking through the Rockies, Appalachia and the Alps, I always loved to carry a waterskin instead of a canteen, mainly because it’s easy to handle and not made of rock-hard plastic. Traditional waterskins were made of cow bladders […]

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