Such a common experience in our everyday lives, the Doppler Effect has proved to be a major factor in demonstrating the existence of an ever-expanding universe. Simply put, the effect occurs when ...

In this episode of the Physics World Weekly podcast, we explore how computational physics is being used to develop new quantum materials; and we look at how ultrasound can help detect breast cancer.

The updated guidelines explain, for example, that ultrasound guidance offers major advantages for arterial access over techniques that rely on anatomical landmarks, palpation, and audio Doppler.