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matthias_buehlmann
  • Member for 10 years, 3 months
  • Last seen more than 1 year ago
  • Switzerland
4 votes
1 answer
239 views

"Cosmological constant problem" and dark energy

3 votes
1 answer
2k views

How can I create a laser beam as thin as possible?

3 votes
2 answers
86 views

Is quantum uncertainty of particle location bound by the speed of light?

2 votes
0 answers
50 views

Given the time dilation at the event horizon plus black hole evaporation, can anything really ever enter a black hole? [duplicate]

2 votes
2 answers
421 views

Does space-time 'flow' over time in the direction of its curvature?

2 votes
1 answer
123 views

Is the number of possible values of a quantum observable finite, countably infinite or uncountably infinite?

2 votes
0 answers
107 views

$c$ slowing down rather than universe expanding? [duplicate]

2 votes
0 answers
213 views

Likelihood of vacuum decay event

1 vote
1 answer
105 views

Laser speckles relative to laser?

1 vote
2 answers
75 views

Possible to weaken single-slit diffraction?

1 vote
3 answers
208 views

Would fast oscillating charged object emit light?

1 vote
0 answers
54 views

How is the expansion of the universe measured if redshift depends on the expansion itself? [duplicate]

1 vote
0 answers
48 views

Quantum Zeno Effect and Many Worlds Interpretation (Plus Quantum Eraser)

1 vote
1 answer
80 views

In what way is String Theory "two-dimensional"? [duplicate]

0 votes
1 answer
38 views

Does local gravity change when approaching the speed of light? (Relativistic mass) [duplicate]

0 votes
1 answer
73 views

Do gravitational waves always travel at the speed of light? [duplicate]

0 votes
1 answer
139 views

Constant width laser beam possible? [duplicate]

0 votes
1 answer
927 views

Research that explains why it‘s fine to microwave a spoon but not a fork

0 votes
2 answers
740 views

How does adding energy to an object affect its mass?

-2 votes
1 answer
525 views

Karen Barad's theory of agential realism - does it stand on solid scientific ground or is it quantum quackery? [closed]