photoelectric effect

The first time we can see gravity
A groundbreaking experiment has the potential to decode gravity in the universe.
The development of invisible solar cells
Photovoltaic cells are cells that receive sunlight and then convert them into electrical energy, which has now become popular, although it is quite expensive.
Measure an internal atomic event within a trillionth of a second
German physicists at Ludwig Maximilian Munich have measured the time when this process occurs when one of the two electrons in a helium atom escapes from the atom after being