Metamaterials have artificially created structures, to have properties that no conventional material has.
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.
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.
Altermagnet, a new type of magnetic material
A new type of magnet material, the altermagnetic material, was discovered. It can be used in computers’ hard drives.
Comparison between silicon and germanium
Fulfilling requests, this post is a comparison between silicon and germanium, as base materials for semiconductors.
Antenna for 6G networks
The wireless communication technology 6G is still in development. A recently built antenna prototype can be used on these networks.
Optocoupler with phototransistor
The optocoupler electrically insulates a circuit’s input and output. The operation and some projects are shown in this post.
The lunar probe SLIM survives
Although it didn’t make a perfect landing, the lunar module SLIM survived for two lunar nights, equivalent to 28 terrestrial days.
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.
DHT11 and DHT22, temperature and humidity sensors
DHT11 and DHT22 are sensors manufactured by Aosong, with a digital output for measurements. Here, it’s shown how to use it on Arduino.
