Archivo de la categoría: Blog Personal

Aquí divagaré todo lo que se me ocurra

Einsten with Bohr at the 1930 Solvay Conference

Einstein thought experiment involved a box with a shutter that could open and shut so rapidly that it would allow only one photon to escape at a atime. The shutter is controlled by a precise clock.The box is weighed exactly. Then at a certain specified moment, the shutter opens and a photon escapes. The box… Leer más »

Gauss’s theorem

http://ocw.mit.edu/courses/mathematics/18-02-multivariable-calculus-fall-2007/video-lectures/ In vector calculus, the divergence theorem, also known as Gauss’ theorem (Carl Friedrich Gauss), Ostrogradsky’s theorem (Mikhail Vasilievich Ostrogradsky), or Gauss–Ostrogradsky theorem is a result that relates the flow (that is, flux) of a vector field through a surface to the behavior of the vector field inside the surface. More precisely, the divergence theorem… Leer más »

Mozart

Violin Concerto No3 in G, K216 – Fischer-Kreizberg. Symphony No. 40 KV 550 (1st version without clarinets) Sabine Meyer – Wolfgang Amadeus Mozart – Klarinettenkonzert, KV622, 3. Rondo (Allegro)

Non Ecludiean geometry

Let’s walk (and dogsled, and  swim)  from the North Pole along the Greenwich meridian (0 deg. longitude) through England and down to the Equator.  Here make a right turn.  That’s a 90 degree angle.  Go until you hit San Salvador Island, west of Ecuador, located on the Equator at the 90th meridian (+90 degrees) . … Leer más »

1080i vs 1080p whats better

short answer 1080p (progressive) 1080p is better than 1080i technically, but only for certain close-rang viewing distances depending on the size of your HDTV. If you have a 50″ HDTV and sit more than 8 feet away from it I don’t think you could tell the difference between 1080i and 1080p easily. Your TV isn’t… Leer más »

Sleep Paralysis

La parálisis del sueño (PS) es una condición muscular producida por la atonía que tiene lugar mientras la persona duerme. Se observa mayoritariamente en los momentos en que el individuo está despertándose, quedándose dormido, o comenzando una fase REM del sueño. Según la Clasificación Internacional de Trastornos del Sueño, la parálisis del sueño consiste en… Leer más »