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Environment, High energy, High speed, Space, Subatomic particles

Cosmic rays: what are they?

Pedro Ney Stroski / 30 de June de 2022

The cosmic rays are a set of particles with high energy that arrives at Earth’s atmosphere every day, at speeds close to the light.

Experiments, News, Subatomic particles

The discovery of tetraneutron?

Pedro Ney Stroski / 23 de June de 2022

Researchers may have discovered the tetraneutron, an atomic nucleus with only 4 neutrons. That theoretically shouldn’t exist.

Disaplay Tm1637 DESTAQUE
Electronics components, Hobby, Microelectronics, Projects, Tutorial

4 digits display TM1637 with Arduino

Pedro Ney Stroski / 16 de June de 2022

In this post, are shown how to use Arduino with the TM1637 module, a 7-segment display with 4 digits and 3 project examples.

Ingenuity DESTAQUE
Automation, Exploration, News, Space

Technical problems with Ingenuity

Pedro Ney Stroski / 9 de June de 2022

The inclination sensor of Ingenuity, from NASA’s Mars 2020 mission, stopped working. But there is already a solution to this problem.

Energy, High energy, History

Van de Graaff generator: how it works?

Pedro Ney Stroski / 3 de June de 2022

The Van de Graaff generator was invented in 1929, by the American engineer Robert Jemison Van de Graaff and can produce millions of volts.

Analog electronics, Basic concepts, Hobby, Projects, Tutorial

Current sources

Pedro Ney Stroski / 28 de May de 2022

The current sources are electronic circuits that provide a constant current. In this post, are shown some examples.

Exploration, News, Space, Temperature

New images obtained by Solar Orbiter

Pedro Ney Stroski / 18 de May de 2022

The Solar Orbiter probe of ESA and NASA, obtained impressive images of Sun’s south pole during its perihelion, the closest distance from Sun.

Electronics, Materials, Nanotechnology, New technology

Carbon nanotubes: what are they?

Pedro Ney Stroski / 15 de May de 2022

The carbon nanotubes are another carbon allotropic form, they have many interesting properties and promise many applications.

buraco negro no centro da galáxia
Exploration, Light, News, Space

First image of black hole in the center of galaxy

Pedro Ney Stroski / 13 de May de 2022

The international team of Event Horizon Telescope (EHT), was able to obtain the first image ofo a supermassive black hole in the center of Milky Way.

Experiments, News, Space

The launch of Tianzhou 4

Pedro Ney Stroski / 9 de May de 2022

The Tianzhou 4 is cargo spacecraft that will be attached to Tianhe, the main module of Chinese space station under construction.

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Pedro Ney Stroski

About me

Hi! I am electrical engineer with master degree in Electronic Systems. This site talks about technology subjects, destinated to students and interested in all levels.

 

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