The post’s subject is class B and class AB amplifiers, including operation, a project and comparison with the class A.
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GD01, the transformable and manned mecha
Unitree revealed the first mecha GD01, that can be mass produced. A technology from science fiction becomes reality.
Solving the problem of symmetrical power source
The symmetrical power source for operational amplifiers that I built had a problem. In this post, it’s reported how I corrected it.
Satellite image processing made by AI
Now, image processing by AI can be executed inside satellite in space.
Wimshurst generator: how does it work?
The Wimshurst generator produces high voltage static electricity with the movement of a crank. This post explains how it’s possible.
Platinum-free catalyst
Researchers developed a platinum-free catalyst for hydrogen production for fuel cells and other applications.
How is petroleum formed?
This post shows the origin of petroleum and its chemical, physical and biological processes that form this resource in our planet.
3D printed microrobot
A flexible microrobot which moves without algorithm, hardware, sensors or external commands, it was printed in a 3D microprinter.
Direct-to-Cell: cellphone communication through satellites
Direct-to-Cell is a technology which allows common smartphone to communicate directly with satellites. The explanation is on this post.
The first commercial brain implant
China approved a commercial brain implant to restore hand movement, making it the world’s first to enter in the market.
