Solar sail propulsion
The propulsion by solar sail can be an alternative for long space travel. This technology’s operation is this post’s subject.
Solar sail propulsion
The propulsion by solar sail can be an alternative for long space travel. This technology’s operation is this post’s subject.
Comparison between silicon and germanium
Fulfilling requests, this post is a comparison between silicon and germanium, as base materials for semiconductors.
Introduction to phased array antennas
This post subject is phased array antennas. They are many arranged radiators to behave like a single antenna.
Electrical e-Library on Gundam Factory
I was in Yokohama, Japan, and I visited the Gundam Factory, where there’s a full-size Gundam, with 18 meters (59 ft) and 25 tons (55115 lb).
Optocoupler with phototransistor
The optocoupler electrically insulates a circuit’s input and output. The operation and some projects are shown in this post.
Wilson chamber: what is it and how does it work?
The Wilson chamber or cloud chamber is a particle detector, which contributed to important particle physics discoveries.
The launch of Chang’e 6
The objective of Chang’e 6 mission is to collect the first samples from the far side of the Moon and bring them to Earth.
Donations
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