The first thing to think about is the list of necessary ingredients. ... After heating, the total mass/energy of the mix would be about 10[sup 65] grams, or 10[sup 32] solar masses. ... Does this mean that the laws of physics truly enable us to create a new universe at will? ... On the darker side, does the physics of the false vacuum create the possibility of an ultimate doomsday machine? ... If the initial outward velocity is large enough, then the bubble will follow the sequence shown in the figure on the facing page. ...

• Word Count: 2163
• Approx Pages: 9
• Grade Level: Undergraduate

The laws of physics are time-symmetric, which baisicly means that if there are objects called black holes into which things fall into but not get out, then there ought to be other objects that things can come out of but not fall into. ... He found that the uncertainty principle, which says that particles cannot have both a well-defined position of a particle and a well-defined velocity, allows particles to travel faster that light for a short distance, enabling particles and radiation to get out through the event horizon and escape out of a black hole. ... Don't know Much About the...

• Word Count: 905
• Approx Pages: 4
• Grade Level: High School

Scientists now believe that the current laws of physics allow us to travel though time. ... Einstein's general relativity theory explains about universal constants, this is important to understand the concepts of travel at light speed. ... Time for a stationary observer on earth and for an astronaut on a spaceship of high velocity is different. ... Carl Sagan wrote a science fiction novel about a fictional device that allowed his character to travel great distances across the universe. ... When the machines are placed in close proximity of each other the enormous amounts of energy, about ...

• Word Count: 2726
• Approx Pages: 11
• Grade Level: High School