Electrons determine everything: how chemical reactions unfold, how materials conduct electricity, how biological molecules ...
Scientists create a record 19.2-attosecond soft X-ray pulse, capturing electron motion in real time for the first time.
Conceptually, radar is pretty simple: send out a radio wave and time how long it takes to get back via an echo. However, in practice, there are a number of trade-offs to consider. For example, ...