Abstract: This paper treats in terms of the special theory of relativity: a "clock paradox" involving the fact that the frequency ... the speed attainable by a photon rocket; and a space ship ...

Quantum messages would be more like a laser pointer aimed precisely at one target not a radio broadcast that anyone with an ...

The GHZ paradox was introduced in 1989. It highlights the mismatch between classical viewpoints and the quantum description ...

In the third of our series of truly weird quantum effects, Maria Violaris investigates the paradoxical delayed-choice quantum eraser “Welcome to this special issue of Physics World, marking the 200th ...

The following editorial is from the opinion page of The Republican newspaper in Springfield. It reflects views of the newspaper’s leadership and not necessarily those of MassLive. Readers are ...

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on ...

Department of Physical and Quantum Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspiańskiego 27, Wrocław 50-370, Poland ...

For 75 years, scientists have consistently pondered the Fermi Paradox, which asks why we don’t hear from other civilizations ...

This study illustrates a phenomenon that has been dubbed “the paradox of choice.” Sitting in the back of that classroom, it was a paradox that sounded awfully familiar. I nudged my friend ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

“Cuomo is a paradox: He is way ahead and winning easily but he has high negatives and is vulnerable to attack,” said New York City-based Democratic consultant Jon Paul Lupo, who is not ...

Salari et al, Imaging Ultraweak Photon Emission from Living and Dead Mice and from Plants under Stress, The Journal of Physical Chemistry Letters (2025). DOI: 10.1021/acs.jpclett.4c03546 ...