Charles Hirlimann

6 Questions 70 Answers 0 Followers

Questions related from Charles Hirlimann

Origin of Hawking radiation from a black hole?

I have not directly studied Hauwking's radiation, I only know what my teachers told me about it and which is constantly repeated in popular science texts. It says: If a pair of virtual particles...

02 December 2022 5,281 15 View

Is our universe an isolated system?

The second principle of thermodynamics states that an out-of-equilibrium isolated system spontaneously moves towards an equilibrium state with a larger entropy. A decrease of entropy is possible...

06 April 2016 159 24 View

Are there natural entangled particles?

Do they play any specific role in Nature? - Pairs of intricate photons are emitted by calcium lamps, one green one violet. Polarization of calcium atomic fluorescence due to a coherence effect in...

07 November 2015 8,153 15 View

Could energy be extracted from vacuum?

The weak Casimir's force is interpreted as resulting from an asymmetry of the pressure exerted by vacuum fluctuations on a thin pair of parallel metal plates. As a force does exist that can be put...

21 October 2013 3,474 23 View

Why are there no left-handed violinists?

In my life I watched a large number of music concert, but never saw any left-handed violinist.

19 July 2013 2,903 3 View

How many big-bang are there?

We live in the center of a sphere of radius 13.7 light years constituting our Universe. The big bang theory considers the state of our universe before the expansion starts from an original point...

01 January 1970 9,046 7 View