The Dirac Equation is a Special Case of the Maxwell-Cassano Equations

submitted by: cloudmichael
The Dirac Equation is a Special Case of the Maxwell-Cassano Equations For vector Phi of D The Klein-Gordon equation may be written (see reference (4)): Whenever Phi of D is a 2 to the M-dimensional vector, via a matrix differential operator factorization, it may be written (in the Dirac representation), as shown here: and, since these matrix operators are commutative: conformability of the matrices requires thatthese matrices are all 2×1 matrices; yielding: For symmetry...

Do Actions Speak Louder Than Words? - Scientists & Engineers on Sofas (and other furnishings)

submitted by: nsf
Why do we gesture? What role do simple hand movements play in some of the most fundamental aspects of language? Susan Goldin-Meadow has dedicated her career to asking, and answering, those big questions. Her eponymous lab at the University of Chicago studies gesture’s role in cognition, development and the acquisition of verbal language. Goldin-Meadow visited the National Science Foundation to discuss some of her most exciting work – examining how gesture can change the way we think....

Sleep yoga – state between relaxation and meditation

submitted by: mdanderson
Download from iTunes: Yoga nidra (sleep yoga) is the state of sleep with awareness that is executed in the asana (lying down) position. Achieving restful sleep is a primary aid in helping patients get through cancer treatment. For many, slowing down the mind at bedtime is difficult. Yoga nidra retains your system to reach states of deep relaxation after stressful periods. Smitha Mallaiah, mind/body intervention...

Молитва о получении. Системно-векторная психология Юрия Бурлана - svp

submitted by: svp
Что такое молитва? Мы молимся только о себе. Мы не воспринимаем больше никого кроме себя. При этом, даже когда мы молимся сердцем, мы не очень понимаем, чего просим. И не можем элементарно получить даже то, что уже давно нам дано… Оригинал здесь

Community College Innovation Challenge

submitted by: nsf

The National Science Foundation announces its Community College Innovation Challenge. The contest challenges community college students to propose innovative STEM-based (science, technology, engineering and mathematics) solutions to perplexing, real-world problems. Teams submitting top ideas receive professional coaching and cash prizes.

Evaluación de Aptitud Reproductiva del Toro

Parte I de una serie de videos referentes a la Evaluación de Aptitud Reproductiva del Toro.
Se describe el tema desde un punto de vista práctico.
Material útil para profesionales y estudiantes.