Some solids lose all resistance to electrical current in certain conditions. This is the superconductivity phenomenon and today’s subject.
Category: Materials
Theoretical superconductor at high temperature
A superconductor based in hydrogen can theoretically work at 200ºC, but needs a very high pressure.
Fluoride batteries are arriving
New materials to create more durable and efficient batteries are wanted. Many companies and laboratories are developing fluoride batteries. Today is shown these batteries and theirs promises.
Graphite
The graphite is an ore made exclusively of carbon with many applications and it is used to produce graphene, a revolutionary material.
New definition of kilogram
Has been appeared a new system to kilogram definition. But it will only take effect on 20 May 2019.
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.