Weblog on Physics

"New results from NASA's Fermi Gamma-Ray Space Telescope appear to confirm a larger-than-expected rate of high-energy positrons rea...

"A British team is designing the optics for a telescope that will be able to detect the gravitational effects of violent cosmic events,...

One end of a uniform beam weighing 30N and 1 m long is attached to a wall with a hinge. The other end is supported by a wire. Find the tens...

Un perno P passante per il centro del disco (vedi la figura) permette al disco di ruotare liberamente nel piano della figura che è un piano...

"Ten planets that appear to be drifting in interstellar space have been spotted by an international team of astronomers. The planets ar...

"The Milky Way might be filled with hundreds of billions of gas-giant planets that were ejected from the planetary systems that gave t...

Esercizio proposto da uno studente (ce ne sono altri al   sito  http://utenti.quipo.it/base5/misure/tempo.htm ) 10. Lancette che si sovrap...