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Matter
New post in Matter
If mass is not conserved but instead energy is conserved, is it right to say that the fundamental particles are photons?
October 31st, 2022
mass-energy
energy-conservation
photons
matter
Can matter be converted to information?
July 16th, 2020
information
quantum-information
energy
matter
Does matter become energy at the speed of light?
March 8th, 2020
speed-of-light
special-relativity
mass-energy
matter
Where does the majority of the mass of the usual matter come from?
August 1st, 2022
energy-conservation
matter
protons
mass
particle-physics
If atoms are mostly empty space, why doesn't light pass through everything?
August 1st, 2022
matter
atoms
visible-light
Is there a giant cloud of antimatter at centre of the Milky Way
May 18th, 2020
milky-way
energy
antimatter
matter
What is the meaning of "matter" in physics?
August 1st, 2022
matter
mass
terminology
Can mass be defined in purely mathematical or geometrical terms?
September 15th, 2020
mass
particle-physics
matter
Are matter waves transverse and can they be polarized?
August 1st, 2022
waves
quantum-mechanics
matter
Where does matter go after reaching singularity in uncharged black holes?
September 3rd, 2020
black-holes
singularities
matter
Are the properties of anti-hydrogen opposite to those of hydrogen?
August 1st, 2022
antimatter
hydrogen
matter
Which formula for the de Broglie wavelength of an electron is correct?
August 1st, 2022
diffraction
electrons
waves
matter
Why must a singularity form inside a black hole?
July 4th, 2020
event-horizon
matter
black-holes
singularities
general-relativity
Is it possible to create matter?
May 23rd, 2020
energy
matter
conservation-laws
When does 'energy' turn to matter?
August 1st, 2022
matter
energy
mass-energy
What is the physics definition of space?
March 11th, 2020
energy
matter
spacetime
space-expansion
cosmology
Does a rock use up energy to maintain its shape?
December 4th, 2020
energy
energy-conservation
matter
condensed-matter
Could quantum fluctuations spawn real matter?
August 1st, 2022
quantum-field-theory
matter
virtual-particles
cosmological-inflation
big-bang
Is Dark Matter called "Matter" only because of gravity?
August 1st, 2022
matter
dark-matter
How do we know Dark Matter is non-baryonic?
August 1st, 2022
cosmology
astrophysics
dark-matter
matter
What did Tesla mean by "there is no energy in matter"?
June 11th, 2020
mass
energy
matter
What would happen to matter if it was squeezed indefinitely?
August 1st, 2022
matter
Why does space expansion not expand matter?
August 1st, 2022
matter
cosmology
space-expansion
atoms
popular-science
Why doesn't matter pass through other matter if atoms are 99.999% empty space?
August 1st, 2022
particle-physics
matter
collision
atomic-physics
electrons
Is it possible to obtain antiwater from antihydrogen and antioxygen atoms? And how is its property w.r.t. the ordinary water?
December 13th, 2020
antimatter
molecules
matter
How would neutron matter appear to the naked eye?
August 1st, 2022
visible-light
matter
neutron-stars
neutrons
Can matter be described as the result of the curvature of space, instead of vice versa?
December 6th, 2020
curvature
general-relativity
energy
spacetime
matter
Frequencies of Matter
August 1st, 2022
vibrations
matter
frequency
Is it possible that our universe is oscillating between matter and antimatter at a high frequency? How would we know?
August 1st, 2022
matter
antimatter
Treating matter waves as light waves?
June 28th, 2020
visible-light
electromagnetic-radiation
matter
waves
quantum-mechanics
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