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Category: Subatomic particles

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.

Electronics, Electronics components, Light, Quantum mechanics, Semiconductors, Subatomic particles

Laser types (Part 3, fiber laser)

Pedro Ney Stroski / 26 de February de 2022

In this third part, are shown the operation principle, advantages and disadvantages, and the applications of fiber laser.

próton e antipróton
Magnetism, News, Quantum mechanics, Subatomic particles

The BASE experiment with protons and antiprotons

Pedro Ney Stroski / 7 de January de 2022

The new BASE measure with high precision didn’t show substantial differences between protons and antiprotons, beyond the electric charge signal.

Electronics, Electronics components, Light, Quantum mechanics, Semiconductors, Subatomic particles

Laser types (Part 2, diode lasers)

Pedro Ney Stroski / 14 de October de 2021

Semiconductor or diode lasers are the most used nowadays. The operation and materials used in this type of laser are shown in this post.

Electronics, Light, Quantum mechanics, Subatomic particles

Laser types (Part 1, gas lasers)

Pedro Ney Stroski / 18 de August de 2021

This is the first post of laser types series. Toady’s subject is the operation of the main gas lasers, which were created in the 1960s.

Electronics, Electronics components, Light, Quantum mechanics, Subatomic particles

How does the laser work?

Pedro Ney Stroski / 9 de June de 2021

This is the first of a series of posts related to lasers. This post’s topic is about the principle of laser operation.

Environment, Geology, History, Subatomic particles, Thermodynamics

The prehistoric natural nuclear reactor

Pedro Ney Stroski / 11 de April de 2021

2 billion years ago, occurred a nuclear fission in the Oklo uranium deposit, current Gabon, Central Africa. It’s the only natural nuclear reactor discovered so far.

High energy, News, Space, Subatomic particles

High energy antimatter particle in Antarctica

Pedro Ney Stroski / 14 de March de 2021

The IceCube Neutrino Observatory, in Antarctica, detected an antimatter particle with highest energy ever registered. This event was predicted in 1960.

Biology, Electronics, Geology, Instrumentation, Subatomic particles

Carbon-14 for dating (Part 2)

Pedro Ney Stroski / 19 de January de 2021

In this part, are explained the methods to measure the quantity of carbon-14 in organic material, allowing to determine a fossil’s age.

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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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