Javier

Buenos Aires, Argentina

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What's the point of Hamiltonian mechanics?

classical-mechanics lagrangian-formalism hamiltonian-formalism asked Dec 5, 2013 at 2:12

physics.stackexchange.com

83 votes

Can you run a machine emulator (Bochs) inside a virtual machine?

virtualbox virtualization bochs asked Jul 19, 2011 at 17:33

superuser.com

66 votes

Lie derivative vs. covariant derivative in the context of Killing vectors

differential-geometry metric-tensor differentiation vector-fields asked May 1, 2015 at 0:05

physics.stackexchange.com

63 votes

How to tell if a set of vectors spans a space?

linear-algebra vector-spaces asked Aug 7, 2011 at 22:02

math.stackexchange.com

49 votes

Can the Elves do magic?

lord-of-the-rings magic tolkien elves asked Jan 11, 2012 at 4:59

scifi.stackexchange.com

48 votes

How can airplanes fly upside down?

aerodynamics aircraft lift asked Oct 20, 2011 at 19:40

physics.stackexchange.com

45 votes

If a function has a finite limit at infinity, does that imply its derivative goes to zero?

calculus limits derivatives asked Jun 23, 2012 at 17:32

math.stackexchange.com

35 votes

No idea how to solve SICP exercise 1.11

recursion scheme iteration sicp asked Mar 2, 2010 at 19:18

stackoverflow.com

33 votes

Is there any meaning to an "infinite derivative"?

calculus derivatives asked Apr 15, 2013 at 23:14

math.stackexchange.com

29 votes

Why do C# and Java require everything to be in a class?

c# java oop asked Apr 26, 2010 at 22:23

stackoverflow.com

Top Answers

132

How to add a custom search engine to Firefox?

superuser.com

130

Is there such thing as imaginary time dilation?

physics.stackexchange.com

How come the Sun's gravity can hold distant planets in orbit, but cannot rip humans off Earth?

physics.stackexchange.com

Is it theoretically possible to have a larger inside volume than the outside exterior?

physics.stackexchange.com

Is Earth really flattened at the poles because of centrifugal force?

physics.stackexchange.com

Why don't we see the covariant derivative in classical mechanics?

physics.stackexchange.com

Why do black holes warp spacetime so much more than stars that have the same mass?

physics.stackexchange.com

Is spin really just "rest angular momentum"?

physics.stackexchange.com

How can I introduce complex numbers to precalculus students?

math.stackexchange.com

Lorentz transformation of Gamma matrices $\gamma^{\mu}$

physics.stackexchange.com

Commenting code in Notepad++

stackoverflow.com

Why is the Newtonian expression for kinetic energy called the "first order" approximation of the relativistic expression?

physics.stackexchange.com

General Relativity: is Tangent Space Always Flat?

physics.stackexchange.com

Question words: "qué" versus "cuál"

spanish.stackexchange.com

When to use "igual" and "lo mismo"?

spanish.stackexchange.com

What is the difference between i++ & ++i in a for loop?

stackoverflow.com

Is there a way to un-nock an arrow in Minecraft?

gaming.stackexchange.com

Ambiguity with Dirac Notation

physics.stackexchange.com

What's wrong with Abraham's proposed force law in Nordström's first theory of gravity?

physics.stackexchange.com

Where is the best place to level up in Final Fantasy X?

gaming.stackexchange.com

What is $\ln 0$?

math.stackexchange.com

Can anyone please explain to me what max_input_nesting_level is used for and what is nesting depth?

stackoverflow.com

Will the CMB eventually recede outside our observable universe?

physics.stackexchange.com

Critique on tensor notation

physics.stackexchange.com

Is the shell theorem only an approximation?

physics.stackexchange.com

What happens to the quantum information of a particle and an antiparticle when they annihilate?

physics.stackexchange.com

Does the Newtonian gravitational field have momentum analogous to the Poynting vector?

physics.stackexchange.com

Why does it make any physical sense for a body to have negative potential energy?

physics.stackexchange.com

Why do we say "Spacetime Curvature is Gravity"?

physics.stackexchange.com

Problem verifying Gauss's law

physics.stackexchange.com