Metaphysics is the branch of philosophy that deals in the deep scaffolding of the world: the nature of space, time, causation and existence, the foundations of reality itself. It’s generally ...

Explore 25 thought experiments that challenge reality, from simulations to brains in vats. Question existence, identity, and ...

Animal experiments are widely used to develop new medicines and to test the safety of other products. Many of these experiments cause pain to the animals involved or reduce their quality of life in ...

The most beautiful experiment in physics, according to a poll of Physics World readers, is the interference of single electrons in a Young’s double slit. Robert P Crease reports Simply beautiful – the ...

Scientists with ongoing projects at the Experimental Lakes Area in northern Ontario had to contact the Department of Fisheries and Oceans to find out they would not be allowed to work at the facility ...

A new book covering the history of scientific inquiry invites us to marvel at the elegance of experimentation. Some philosophers have argued that “beauty” in science stands as a proxy for truth. Many ...

Designing quantum experiments Left: the AI takes the first three from a class of target quantum states and produces a Python ...

With the right approach, even small firms can get a competitive advantage from the right kinds of tests. Harvard Business School’s Stefan Thomke says running experiments can give companies tremendous ...