r/AskPhysics
1.6M members
r/AskPhysics is a subreddit with 1.6M members. The community frequently discusses physics, struggling, understanding, looking for, and energy, and they frequently recommend/review physics books, study materials, and math books.
Popular Topics in r/AskPhysics
#1
Physics
257 posts
#2
Struggling
51 posts
#3
Understanding
43 posts
#4
Looking For
33 posts
#5
Energy
23 posts
#6
Quantum
23 posts
#7
Problem
22 posts
#8
Hard Time
21 posts
#9
Universe
19 posts
#10
Worst
17 posts
Products Discussed in r/AskPhysics
Physics Books
47 reviews
#1
Richard Feynman
4.7★ from 7 reviews
#2
Leonard Susskind
5.0★ from 2 reviews
#3
Roger Penrose
4.0★ from 2 reviews
Study Materials
11 reviews
#1
Nolting
4.0★ from 1 review
#2
Farlow
4.0★ from 1 review
#3
Mary Boas
4.0★ from 1 review
Math Books
5 reviews
#1
Gilbert Strang
5.0★ from 1 review
#2
Sheldon Axler
5.0★ from 1 review
#3
Riley, Hobson, Bence
5.0★ from 1 review
Member Growth in r/AskPhysics
Yearly
+71k members(4.7%)
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About
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Last updated: October 30, 2026