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