In this video you will see how to make a simple wireless power transmitter and receiver. For this project you need enamelled copper wire 0.4-0.6 mm, 2N2222A transister, 27k resistor, 9v battery and ...

Steve Sells is describing the first listening test of the Naim Statement amplifier system, and how it pumped the heavy, ...

Peak mobile gaming performance is almost as expensive as it is on desktops, but it doesn't have to be if you're willing to ...

Determining the authenticity of a diamond requires professional equipment and a highly trained eye. At-home tests do ...

Researchers at Forschungszentrum Jülich, together with international collaborators, have demonstrated for the first time that ...

A simple internet speed test can tell you a lot about your home's network and whether you're getting your money's worth. We'll show you how to run one and more.

This video explains how resistors function and how Ohm’s Law defines the relationship between voltage, current, and resistance in electronic circuits. Resistors are passive components used to control ...

One of the lost pleasures of our modern world is the experience of going shopping at a grocery store, a mall, or a drugstore, ...

Battery cell voltage is the most fundamental measurement made on the cell. While on the surface measuring voltage seems easy, ...

Once an antibody latches on to a pathogen, broadly neutralizing antibodies inactivate it (as their name implies). This is ...

Meshtastic, an open-source firmware for long-range mesh networking, offers an elegant solution. Using LoRa radios allows ...