Direct-to-Cell: cellphone communication through satellites
The first commercial brain implant
DART spacecraft changes an asteroid’s orbit
Non-invasive current sensor (2nd edition)
What is coronal mass ejection?
Solar flares: How are formed?
Sirius inauguration
Voltage multiplier circuits
50 and 60 Hz, what is the difference?
Visit to Ilha Solteira hydro power plant
How cyclones are formed?
Visit to Itaipu power plant
The robot show in China