The end of Arecibo telescope (Update)
The Arecibo telescope, used by SETI program to find extraterrestrial civilizations, suffered irreparable damage and will be deactivated.
Fresnel linear concentrator
The Fresnel linear concentrator is a little known form of thermal solar energy generation. The operation of this technology is today’s subject.
Memristor and memristence
This post’s subject is the memristor, the fourth fundamental passive electronic component, alongside resistor, capacitor, and coil.
Big Data: What is it and what it serves for?
Big Data is a term that describes a gigantic quantity of data, which traditional software isn’t able to process and manage.
PID controller tunning: CHR and CC methods
This post’s subject is the description of other methods to tune a PID controller. CHR (Chien, Hrone e Reswick) and CC (Cohen e Coon).
Star and delta configurations
In addition to parallel and series, impedances also can make star and delta connections. Also are shown the transformations.
What are the Lagrange points?
The Lagrange points were described in 1772, by the mathematician Joseph-Louis Lagrange, in his paper “Essay on the Three-Body Problem”.
The end of Arecibo telescope (Update)
The Arecibo telescope, used by SETI program to find extraterrestrial civilizations, suffered irreparable damage and will be deactivated.
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