Stirling engine is of external combustion. Created in 1816 by Stirling brothers to be an alternative to steam engines, which were dangerous at that time.
Robots against coronavirus
Robots are helping in combat against coronavirus, reducing contamination. How they are and what are their functions? It’s this post’s subject.
SpaceX will send astronauts to space
The first time in history, a private company, SpaceX, will send astronauts to International Space Station this Wednesday.
Introduction to nanomachines
Nanomachines are molecular mechanisms which execute a function when receive a stimulus. Today’s subject is an introduction with examples.
How to polarize BJT transistor? (Part 2)
This is the second part about BJT polarization. Are shown projects of circuits with fixed and emitter’s stable polarization.
UV robot for disinfection
An autonomous robot, built by Akara Robotics, uses ultraviolet light (UV) for disinfection in hospitals.
What are speleothems?
Speleothems are rock formations inside caves, the most known are stalactites and stalagmites. These and other formations are shown in this post.
