New improvement for the autonomous robot
The first supersonic flight of X-59
Class B and class AB amplifiers
GD01, the transformable and manned mecha
WEG museum of science and technology (Part 2)
How electric car works? (Part 2)
News: The Hyundai’s walking car
New definition of kilogram
Visit to Osório Wind Complex
Speed control of hydro turbines
Gauss accelerator
Bypass and ladder for fishes in dams
Solving the problem of symmetrical power source