02:23

Timelapse of #Twosday's Quantum Physics lecture on the hydrogen atom.

01:09:25

Lecture 13 of Quantum Physics - Angular Momentum.

01:25:50

Christmas special: the Equations of Physics.

01:38:48

Jacobians

01:36:05

Wronskians

01:20:31

Differential equations

01:22:53

Fourier Series

01:09:56

Eigensystems

01:11:25

Inverses and Determinants

01:15:21

Linear Functions

01:47:17

Basis

01:17:43

Integrals

53:56

Bra and kets

01:11:46

Taylor Expansions

41:11

Composites and inverses

58:28

Infinitesimals

58:23

Infinities

01:09:29

Functions

55:35

Vectors

55:52

Complex numbers

45:50

Logic and Sets

01:20:08

Arithmetic and Algebra

44:37

The Platonic Universe.

00:20

Julia rides a bike (by herself)

05:27

Julia plays chess

01:19

Hearing Big Ben one last time

03:09

Première

01:18

Julia eats with a spoon

32:32

2015

03:48

Una Flor

03:02

Julia habla

01:03

Blunder

01:49

Last day of November dying into Christmas

02:59

Reflection

22:15

En attendant William

03:28

d'en face...

00:39

Préhistoire

02:28

Goodnight moon (of Madrid)

00:51

Veni, veni, venias

06:06

Clouds and people passing

02:38

Tanz on Madrid's Plaza Mayor

04:17

Del Cielo a Madrid

15:55

Blooming

03:28

De Madrid al Cielo

04:14

Procesiones del Viernes Santo 2014 en Madrid

04:21

Ruido

02:16

17 hours in the life of a Plaza Mayor (faster version)

06:19

17 hours in the life of a Plaza Mayor

02:37

The Little People

04:43

Tablao Flamenco in Madrid

23:18

Les Pompettes in Clamores

04:09

人

00:23

luo xi

02:24

Happy birthday Elena