The rationality of scientific concept formation in theory transitions, challenged by the thesis of semantic incommensurability, can be restored by the "Chains of Meaning" approach to concept formation ...

Thought experiments can be extremely powerful; after all, pretty much everything that [Einstein] came up with was based on thought experiments. But when a thought experiment turns into a real ...

The weight of the kilogram may soon rest on the emptiness of a vacuum. Of all the standard units currently in use around the world, the kilogram -- the official unit of mass in the International ...

At very low temperatures, helium can be solid and a perfect liquid at the same time. Theoreticians, though, have incorrectly explained the phenomenon for a long time. Computer simulations have now ...

In the end of the section 219a 10-21 of the 11th chapter of Physics IV Aristotle defines the 'before and after' in movement as follows: «The 'before and after' in motion is identical ő ποτε őν with ...

From the macroscopic to the microscopic physical properties of the world around us, condensed-matter and materials-science research have a huge impact on daily life. And yet, as James Kakalios ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. And how strange is it that we even have to ask? Unlike other ...