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.
The discovery of tetraneutron?
Researchers may have discovered the tetraneutron, an atomic nucleus with only 4 neutrons. That theoretically shouldn’t exist.
4 digits display TM1637 with Arduino
In this post, are shown how to use Arduino with the TM1637 module, a 7-segment display with 4 digits and 3 project examples.
Technical problems with Ingenuity
The inclination sensor of Ingenuity, from NASA’s Mars 2020 mission, stopped working. But there is already a solution to this problem.
Van de Graaff generator: how it works?
The Van de Graaff generator was invented in 1929, by the American engineer Robert Jemison Van de Graaff and can produce millions of volts.
Current sources
The current sources are electronic circuits that provide a constant current. In this post, are shown some examples.
New images obtained by Solar Orbiter
The Solar Orbiter probe of ESA and NASA, obtained impressive images of Sun’s south pole during its perihelion, the closest distance from Sun.
Carbon nanotubes: what are they?
The carbon nanotubes are another carbon allotropic form, they have many interesting properties and promise many applications.
First image of black hole in the center of galaxy
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.
The launch of Tianzhou 4
The Tianzhou 4 is cargo spacecraft that will be attached to Tianhe, the main module of Chinese space station under construction.
