2 papers
astro-ph2007
Galactic disc warps due to intergalactic accretion flows onto the disc
M. Lopez-Corredoira, J. Betancort-Rijo, J. E. Beckman
The accretion of the intergalactic medium onto the gaseous disc is used to explain the generation of galactic warps. A cup-shaped distortion is expected, due to the transmission of…
physics.gen-ph2001
Some simple physical facts about the collapse of the Twin Towers
Juan Betancort-Rijo
An analysis of the collapse of the Twin Towers is carried on with the aid of simple mechanical laws. The motion of the collapse front is calculated in terms of geometric and energe…