Reputation
79,640
Next tag badge:
99/100 score
38/20 answers
Badges
3 60 209
Impact
~3.1m people reached

Jan
23
reviewed Approve How can we detect cosmic background radiation?
Nov
11
reviewed Approve The size of extra dimensions
Nov
3
reviewed Reject What is the smallest item for which gravity has been recorded or observed?
Oct
31
reviewed Approve How could an s and p subshell occur together in an atom?
Jul
1
reviewed Approve Do virtual particles actually physically exist?
May
29
reviewed Reject What force needs to be applied to produce twice as much acceleration as already present in a body?
May
29
reviewed Reject What determines a state of matter?
May
13
reviewed Approve Why should you stay in the car during thunderstorms?
Apr
28
reviewed Approve Why do electrons, according to my textbook, exist forever?
Mar
18
reviewed Reject Two mirrors facing each other
Mar
7
reviewed Approve How a spacecraft travelling near light speed avoid asteroids?
Feb
28
reviewed Approve Repulsion of electric charges
Feb
13
reviewed Approve What happens before a radioactive element decays?
Feb
12
reviewed Reject What happens before a radioactive element decays?
Jan
23
reviewed Edit Can different species of particles annihilate with other species
Jan
14
reviewed Approve If two photons collide, does the resulting particle have zero velocity?
Dec
8
reviewed Reject How does the concept of a “black body” make any sense?
Dec
2
reviewed Approve How did Rutherford's gold foil disprove the plum pudding model?
Nov
19
reviewed Approve What do physicists mean by “information”?
Oct
13
reviewed Approve Does Gravity Really Exist?