This video shows the complete oil change and oil level sensor replacement on the BMW E39 M5. We go step by step through the ...

Abstract: In this article, a novel metamaterial adaptive frequency switch (MAFS) rectifier circuit is proposed to expand the operating frequency range of the rectifier circuits for wireless power ...

Abstract: Highly sensitive pressure sensors with features such as biocompatibility, biodegradability, and flexibility are needed in applications such as robotics, prosthesis, medical implants, and ...

President Trump has been threatening tariffs on India unless it stops buying Russian crude and the European Union has been preparing to cut off all gas imports into the bloc within two years—even ...