Could Unbihexium Unlock Mysteries of Quantum Gravity Measurement?

sanman
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A Stanford researcher has measured the effect of gravity using quantum mechanics:

http://www.newscientist.com/article.ns?id=dn10948&feedId=online-news_rss20

Can this shed new light on the gravitational constant, dark matter, the quantum vacuum, or even the universe?

Why did they have to use lead as the weight, anyway? Wouldn't any equivalent mass do?
 
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sanman said:
A Stanford researcher has measured the effect of gravity using quantum mechanics:

http://www.newscientist.com/article.ns?id=dn10948&feedId=online-news_rss20

Can this shed new light on the gravitational constant, dark matter, the quantum vacuum, or even the universe?

Why did they have to use lead as the weight, anyway? Wouldn't any equivalent mass do?

Sounds interesting. Anyhow, to answer your questions we should read the Science, vol 315, p 74 article they are referring to. I will check it out when i am at work on monday.

marlon
 
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I think they used the lead piece because of its mass and density.
 
This is why I think the discovery and bulk manufacture of predicted stable ultra-heavy elements like Unbihexium (Atomic Number 126) could be achieved, then their unprecedented mass-densities could open new potential in scientific investigation.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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