LiDAR: what is it and how does it work?
Washing machine for humans
New BNNT shield agains cosmic radiation
Controlling RF 433 MHz modules with Arduino
What is PROCEL?
Visit to Osório Wind Complex
Thermal solar energy
Bypass and ladder for fishes in dams
News: first train moved by hydrogen
News: Robot charges electrical car
Visit to Itaipu power plant
Wave power generation
The problem of microplastics