Frédéric Grosshans

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Researcher in quantum information, mainly on cryptography.


90 Answers

newest activity votes
32
Superluminal neutrinos
30
Why quantum entanglement is considered to be active link between particles?
27
Home experiments to derive the speed of light?
21
Why can't we feel the Earth turning?
19
Can a planet have a larger diameter than Jupiter?
16
The Pioneer anomaly finally explained?
16
What determines color — wavelength or frequency?
14
What makes the stars that are farther from the nucleus of the galaxy go faster than those in the middle?
14
What is the difference between a white object and a mirror?
14
If time standard clocks and any memories about the time standard are destroyed, can we recover the time standard again?
13
Why does nuclear fuel not form a critical mass in the course of a meltdown?
10
Entropy increase and end of the universe
9
Information Retrieval
9
Since radioactive material decays how is it possible that there is any left after 4.5 billion years?
8
Quantum memories: What are they?
8
Home experiments to derive the speed of light?
7
why the difference between $\langle \hat p^2 \rangle_{\psi}$ and $\langle \hat p \rangle_{\psi}^2$ is NOT zero?
7
What longest time ever was achieved at holding light in a closed volume?
7
How Did Paul Dirac Predict The Existence of Antiproton?
7
Can a particle be *physically* observed inside a quantum barrier?
6
Degeneracy Pressure, What is it?
6
How were inert gases discovered?
5
What is quantum discord?
5
Show quantum entanglement to a classical thinker
5
How large can you make a tokamak?
5
What does it take to derive the ideal gas law in themodynamics?
5
Examples of number theory showing up in physics
5
What happens where an electron is annihilated by a spontaneously generated positron-electron pair?
5
Why is there a scarcity of lithium?
5
Mechanics around a rail tank wagon
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