How is petroleum formed?
3D printed microrobot
Direct-to-Cell: cellphone communication through satellites
The first commercial brain implant
Osmotic energy
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
DART spacecraft changes an asteroid’s orbit