Was built a robotic chameleon that changes color according to the environment.
Rotary encoder: how it works and how to use it?
The rotary encoder looks like a potentiometer, but the operation is completely different. How it works and how to use it in Arduino are today’s subjects.
Space module Nauka
The new Russian space laboratory Nauka arrived at the International Space Station (ISS). The module’s name means “science” in Russian.
Coaxial cable: how it works?
How the coaxial cable works and why it’s so used in signal transmission in telecommunications? It’s this post subject.
The origin of Jupiter’s auroras
For 40 years, nobody could explain how auroras in Jupiter were formed. Now, data from probes can give an answer.
Visit to Bom Jardim da Serra Wind Park
I visited the Bom Jardim da Serra Wind Park, in Santa Catarina state, Brazil. And I made a video showing some easy access turbines.
Thomson effect: what is it?
This post is the second part about thermoelectricity. Thomson effect is a reversible thermoelectric phenomenon and related to Seebeck and Peltier effects.
Photoinduced force microscope
For the first time, atoms were observed with a new type of microscope, which uses a photoinduced force to observe atomic nanometric structures.
Seebeck and Peltier effects
The Seebeck and Peltier effects are thermoelectric phenomena that explain the operation of thermocouples, temperature sensors with 2 different materials.
Launch of Shenzhou-12
Shenzhou-12 sent the first astronauts to Tianhe core module, from the Chinese space station, which will be completed in late 2022.
