Has been appeared a new system to kilogram definition. But it will only take effect on 20 May 2019.
Category: Materials
What is electric permittivity?
Answering requests, I will explain what is electric permittivity. Many from the area know as a constant, but there is much more behind.
News: Hoverbike arrives in the market
You can pre-order your hoverbike, if you have 150,000 dolars. Made by Hoversurf company.
Meet the rhodium
This post’s subject is the element rhodium. Lately it has become a very valuable metal. Will be shown your properties, biggest reserves, extraction and applications.
Types of dam to hydroelectricity
The dams are important to many hydro power plants. In this post, will be shown the many types of dam.
What is OLED?
OLED is an organic LED. This post explains what it is, how it works, what serves, and a comparison with other technologies.
Astronomical pole Casimiro Montenegro Filho
This site has support of Itaipu Binacional. This post is about the astronomical pole Casimiro Montenegro Filho of Itaipu Binacional, located in Foz do Iguaçu, Brazil. What is showed here…
The space debris problem
This post’s subject is space debris, your origin, the problems caused and possible solutions to reduce or eliminate this problem.
How prosthetics work?
This post’s subject is an introduction about prosthetics which replace limbs and how they are controlled.
News: methane cycle in Mars
The NASA robot Curiosity discovered evidence of methane seasonal variation.