How is petroleum formed?
3D printed microrobot
Direct-to-Cell: cellphone communication through satellites
The first commercial brain implant
News: first train moved by hydrogen
Basic concepts of alternate current (AC)
50 and 60 Hz, what is the difference?
Visit to Ilha Solteira hydro power plant
Circuit analysis (Part 2)
Types of dam to hydroelectricity
Circuit analysis (Part 1)
Visit to Itaipu power plant
DART spacecraft changes an asteroid’s orbit