Some solids lose all resistance to electrical current in certain conditions. This is the superconductivity phenomenon and today’s subject.
QR code: What is it and how it works?
QR code is used by many companies to catalog products, store and offer information. But how it works? Let’s find out in this post.
Man in flying suit breaks record speed
A man with flying suit flew in Brighton Pier, England. Broke it’s own record speed.
Earth’s internal discontinuities
This post’s subject are the 5 discontinuities of Earth’s interior which demarcate borders between inner layers.
Hall effect: Operation and sensor
Today are shown how Hall effect works, a magnetic sensor using this phenomena and how o use it in projects with Arduino.
PID controller tuning: Ziegler-Nichols methods
The classical Ziegler-Nichols methods, introduced in 1942, are some of the most known and applied tuning methods for PID controllers.
Asynchronous x synchronous generators
This post is about a comparison between asynchronous and synchronous generators. Showing main advantages and disadvantages of both.
New dwarf planet discovered
Have been discovered the smallest dwarf planet of Solar System, it’s name is Hygiea. Before, it was considered Ceres to be the smallest of category.
5 river flow measurement methods
Measure river’s flow is important for hydrological study about viability of hydropower plant installation. And to understand the behavior of water resource.
Geographic Information System (GIS)
The Geographic Information System (GIS) serves to provide topographic information of a region to help in planning and management of natural resources, territorial and urban planning.
