692 reputation
212
bio website github.com/spraff
location London, United Kingdom
age 94
visits member for 2 years, 7 months
seen Dec 19 at 20:12


Nov
29
accepted How is $\langle \psi |\psi \rangle$ meaningful in Dirac notation?
Nov
29
asked How is $\langle \psi |\psi \rangle$ meaningful in Dirac notation?
Oct
24
comment Which scientists have managed to name their laws/terms after themselves?
@Qmechanic why does the history tag exist if this is off topic?
Oct
12
asked Which scientists have managed to name their laws/terms after themselves?
Sep
19
accepted What is making these subatomic honeycomb shapes and gaps in this graphene image?
Sep
19
asked How should I quote errors when measurements are asymetrically clustered?
Sep
5
comment What did recombination look like?
"it was a long process but at the halfway point, it's flips to being mostly clear" -- how quick was the flip?
Sep
4
asked What did recombination look like?
Jul
28
accepted Please explain these equations relating to Newtonian gravity
Jul
28
revised Please explain these equations relating to Newtonian gravity
added 69 characters in body
Jul
28
comment Please explain these equations relating to Newtonian gravity
$R_e$ I assume is the radius of the Earth, but the slides don't explain themselves any further than this.
Jul
28
asked Please explain these equations relating to Newtonian gravity
Jul
14
accepted How does the speed of electrons change around a circuit?
Jul
11
asked How does the speed of electrons change around a circuit?
Jul
2
awarded  Curious
May
18
asked What is making these subatomic honeycomb shapes and gaps in this graphene image?
May
7
awarded  Yearling
Apr
24
accepted What's a geometric explanation for exponential-falloff fundamental forces?
Apr
24
asked What's a geometric explanation for exponential-falloff fundamental forces?
Mar
29
awarded  Popular Question