Tick-tock

There is no way to force a pendulum to oscillate at a different rhythm, determined exclusively by its length

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«The Matrix» and thermodynamics

If we were to use electrodes to extract energy from ourselves, we would collapse because we would have nothing left to keep our hearts beating.

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sound space

Why is there no sound in space?

In space, there is not a medium to transmit sound, so the battles going on in space would not be heard.

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how is sound produced

How is sound produced?

Any vibrating object produces sound. Chantal Ferrer, director of the Department of Applied Physics of the University of Valencia, explains.

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cygnus x 1 forat negre

The Nobel Prize in Physics, orbiting black holes

The Swedish Academy has awarded Roger Penrose, Reinhard Genzel, and Andrea Ghez the Nobel Prize in Physics. What is behind this shared award? When did the debate on black holes start? An analysis by Manel Perucho.

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illustr palletes estiu

Straws are for the summer

Using simple materials like plastic bottles, straws, modelling clay, and syringes you can witness many interesting phenomena relating to air and water pressure.

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Illustration syracuse

The bathing man from Syracuse

The historian of science Alexander Koyrè summarised the scientific work of the sixteenth century as a gradual understanding of the works of Archimedes.

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illustration large hugo salais sling

Not just the Moon and a sling

Probably of Paleolithic origin and present since the first civilisations, the sling is ancient and ubiquitous not only as a weapon, but also as the paradigm of circular movement.

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Why do wet materials become darker?

When a material gets wet, we see it with a darker colour. Professor Inmaculada Pascual Villalobos explains why.

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Richard Feynman

The physicist who did not follow the beaten path

Richard Phillips Feynman (1918–1988) was certainly a curious character, as he himself remarked in the subtitle of his anecdotal books (Feynman, 1985; Feynman, 1988). Not only was he one of the most brilliant and original physicists of the twentieth century, one of the few scientists who opened up new and broad avenues in his discipline.

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