A bit of biology and nutrition before we roll into this: Ketosis is when your body runs on fat reserves instead of carbohydrates. This is the basis of diets such as Atkins, and despite the ...

Here’s a fun game from [A.J.]’s lab. It’s a simulated king cobra made from an Arduino, an ultrasonic sensor, and a servo. The aim of the game is to grab a ball in front of the device without being ...

From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are techniques for everyone. Learn how to use metering, considering composition and shoot everything from ...