The Physics of Sound 1

Sound lies at the very center of speech communication. A sound wave is both the end product of the speech production mechanism and the primary source of raw material used by the listener to recover …

An Introduction to Chaos Theory with the Lorenz Attractor

THEOREM OF THE ADDITION OF VELOCITIES. THE EXPERIMENT OF FIZEAU

On this point we are enlightened by a most important experiment which the brilliant physicist Fizeau performed more than half a century ago, and which has been repeated since then by some of the best …

BASIC GENERAL INFORMATION FOR GNU/LINUX NEWBIE.

Branches have other branches and more branches follows as far as possible. Let us take a step and analysis Linux file system, orderly or may be not orderly, and see what each of these branches …

Fix Kernel Panic Not Syncing After Upgrade

Choose Advance option For Ubuntu. A selection menu should appear with list of kernels installed on the system, take note of the version number of the latest kernel ( Usually the First one) choose the …

Galaxy and Structure Formation 2

An alternative picture was one in which the perturbations were not sound waves but isothermal perturbations in pressure balance with the background radiation in the pre-recombination plasma. Small mass perturbations were not damped in this …

Galaxy and Structure Formation

If perturbations on a particular physical scale are tracked backwards into the past, at some large redshift, the scale of the perturbation is equal to the horizon scale, that is r ≈ ct, where t …