Explain Chronology protection conjecture

Chronology protection conjecture (S.W. Hawking): The notion that the formation of any closed time like curve will (automatically) involuntarily be destroyed by the quantum fluctuations as soon as it is made. In another words, the quantum fluctuations prevent the time machines from being made.

View Complete Question

Related Questions in Physics

Q : Define Mach number Mach number (E.

Mach number (E. Mach): It is the ratio of the speed of an object in a specified medium to the speed of sound in that medium.

Q : What is Curie constant and Curies law

What is Curie constant and Curies law? Curie constant: C (P. Curie): The characteristic constant, dependent on the material in question that points out the proportionality among its susceptibility

Q : Physics Assignement complete assignment

complete assignment with clear solution and explanation

Q : What is the turnover number of the

What is the turnover number of the enzyme? Is that forever an evaluation parameter of the action or activity of the enzyme?

Q : Calculate the intensity I along y axis

As shown in the figure below, a source at S is sending out a spherical wave: E1=(A×D/r) cos(wt-2πr/λ); where r is the distance to source

Q : Explain Davisson-Germer experiment

Davisson-Germer experiment (C.J. Davisson, L.H. Germer; 1927): The experiment which conclusively proved the wave nature of electrons; diffraction patterns were examined by an electron beam penetrating into the nickel target.

Q : What is Coriolis pseudoforce Coriolis

Coriolis pseudoforce (G. de Coriolis; 1835): The pseudoforce that arises since of motion relative to a frame that is itself rotating relative to the second, inertial frame. The magnitude of the Coriolis "force" is tot

Q : Problem on Orbit cycle Calculate the

Calculate the hot and cold temperature after 25 orbits. Assume a 100kg spherical spacecraft made of aluminum. Assume that the spacecraft is in an equatorial orbit. How is calculation 1 different for a spacecraft in a 90 degree (polar) orbit?

Q : Explain Gauss law for magnetic fields

Gauss' law for magnetic fields (K.F. Gauss): The magnetic flux via a closed surface is zero (0); no magnetic charges present; in its differential form, div B = 0

Q : Explain Kirchhoffs laws or Kirchhoffs

Kirchhoff's laws (G.R. Kirchhoff) Kirchhoff's first laws: An incandescent solid or gas in high pressure will generate a continuous spectrum.

Discover Q & A

Leading Solution Library

Avail More Than 1434067 Solved problems, classrooms assignments, textbook's solutions, for quick Downloads

No hassle, Instant Access

Start Discovering

18,76,764

1949535
Asked

3,689

Active Tutors

1434067

Questions
Answered

Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!

Submit Assignment