Very cheap, portable, 1/4 Wave Ground Plane Antenna for the Airband

I wanted a simple, inexpensive antenna for my Little Airshow Radio. The 108–137 MHz range is the VHF airband, where the wavelength is roughly 2.18 m to 2.73 m. That means any resonant antenna designed for this range tends to be physically large. If you’re looking for a small, portable solution, you’ll need to make a few compromises. … Read more

Ergonomic bowl stand for elderly cats

As cats get older, their joints, muscles, and spine become less flexible, and movements that were once effortless can start to cause discomfort or even pain. One simple way to make mealtime easier is to raise their food bowl about 8 cm above the floor and tilt it roughly 15 degrees toward the cat. This … Read more

Tea timer stand (hourglass holder)

Different types of tea release their flavor compounds at different rates: delicate green teas reach their peak after about 3 minutes, while robust black teas often need closer to 5, and strong herbal infusions may benefit from the full 7. Steeping too briefly can leave the flavor underdeveloped, while leaving the leaves in too long … Read more