DIY

Polymer clay becomes hard as it ages;as a result, it is difficult or even impossible to shape and use, especially if it has been exposed to the air.However, many people don't know that even the most hardened piece can be salvaged.There are several methods you can use to regenerate this material, from hand mixing to adding oils and thinners;Using one or more of these remedies, you can turn a stone-hard block of polymer clay into a moldable mass.

Is your favorite book falling apart, losing pages, or has the cover separated from the rest of the volume?Instead of getting rid of that old book, we'll show you some tricks to get it back into usable condition, so you can still enjoy it without the thought of damaging it every time you flip through it.Read on!

For an electronics enthusiast, having a 5 volt DC (direct current) power supply available can be very useful.Many operational amplifiers, microcontrollers, and other integrated circuits (ICs) do require a 5-volt power supply (although most can operate in the 3-15 volt range).This article describes how to build a simple 5V DC power supply, capable of providing a current of up to 1.5 Amperes.You will need to solder various components together.

A launcher is any device that helps a rocket take off and, therefore, fly.It can be simple if it appears in the form of a sloped surface, a support, or a device to help steer the rocket.Other launchers may instead be more complex, and be part of the thrust system of the rocket itself.In this article we will see how to build a simple PVC launcher that you can use to launch a rocket made from a bottle full of water, thanks to air pressure.Be careful though, you may end up getting wet using these types of rockets.

Do you love watching ladybugs land on your hands in spring?They are not only very cute insects, but they are also useful because they help eliminate parasites such as whitefly, scale insects and mites...a real godsend for your garden!Try making a house with simple materials, which is welcoming and comfortable for these small and precious insects.