UPS: What is it and how does it work?
UPS (the abbreviation of Uninterruptable Power Source) is also called no-break. The operation and types are today’s subject.
Electromagnetic interference (EMI)
Fulfilling requests, this post’s subject is the problem of electromagnetic interference (EMI). In addition to relation with electromagnetic compatibility.
UPS: What is it and how does it work?
UPS (the abbreviation of Uninterruptable Power Source) is also called no-break. The operation and types are today’s subject.
Starlink: What is it and how will it work?
This post’s subject is SpaceX’s ambitious Starlink project. It promises to bring broadband high-speed internet everywhere on the planet.
Robots against coronavirus
Robots are helping in combat against coronavirus, reducing contamination. How they are and what are their functions? It’s this post’s subject.
How to polarize BJT transistor? (Part 2)
This is the second part about BJT polarization. Are shown projects of circuits with fixed and emitter’s stable polarization.
What are speleothems?
Speleothems are rock formations inside caves, the most known are stalactites and stalagmites. These and other formations are shown in this post.
Corals in Greenland coast
A garden of soft corals and sponges was discovered on the west coast of Greenland.
Donations
Direct donation: Banco do Brasil
Agency: 3262-X Current Account: 20.955-4
