According to Newtonian physics, the gravitational attraction between two masses is proportional to the inverse of the square ...

Create a Physics World account to get access to all available digital issues of the monthly magazine. Your Physics World ...

Millennia ago, Aristotle asserted that nature abhors a vacuum, reasoning that objects would fly through truly empty space at impossible speeds. In 1277, the French bishop Etienne Tempier shot back, ...

Optics and photonics are central to many aspects of our lives. Refraction, emission and absorption of light within materials govern imaging, sensing, lighting and communications. However, many of ...

With the release of mounds of unclassified Unidentified Aerial Phenomena (UAP) documents, scientists are grappling with how to understand these the objects previously known as UFOs. A new paper from ...

Using unconventional statistical mechanics to understand fluid dynamics, a professor helped solve a 150 year old physics problem of how turbulent fluids move through a pipe. In 1883 Osborne Reynolds ...