Understand electric field energy density with clear explanations and simple examples. This video breaks down the concept for students, educators, and anyone curious about electromagnetism and physics ...

Berkeley Lab scientists create microcapacitors with ultrahigh energy and power density. The microcapacitors are made with engineered thin films of hafnium oxide and zirconium oxide. The technology ...

The first examples of the cells have just been shipped to the manufacturer of pseudo satellites, and Amprius says they could also be used to power larger eVTOL aircraft. The latest electric batteries ...