China has built a maglev train that uses permanent magnets made of rare earth for levitation.
Category: Magnetism
Other baluns and the unun
This post shows the other types of baluns that wasn’t shown in the previous post about the same subject. Also introduces the unun.
The BASE experiment with protons and antiprotons
The new BASE measure with high precision didn’t show substantial differences between protons and antiprotons, beyond the electric charge signal.
Wattmeter: operation and main types
Fulfilling the request, This post’s subject is wattmeter operation. An instrument that measures provided or dissipated power in a circuit.
New microbot in cancer treatment
Was develop a microbot in the shape of fish, which can send medicines directly to cancer cells.
Skin effect: what is it?
The skin effect appears in transmission lines that transport alternate current. This effect’s cause is explained in this post.
Coaxial cable: how it works?
How the coaxial cable works and why it’s so used in signal transmission in telecommunications? It’s this post subject.
The origin of Jupiter’s auroras
For 40 years, nobody could explain how auroras in Jupiter were formed. Now, data from probes can give an answer.
Transmitting wireless electrical power
Imagine recharge electronic devices without plugging in. The technology to transmit wireless electrical power already exists and it’s this post’s subject.
What is balun?
The balun is used in telecommunication circuits, usually, it’s connected to an antenna. The operation and some types are today’s subjects.