News tagged with space dimensions


Equivalence principle in space test

Equivalence principle in space test

Physics / General Physics

created May 11, 2009 | popularity 3.9 / 5 (13) | comments 3

Since Galileo Galilei and Newton, the assumption is valid that inert and heavy mass are equivalent. This is, however, questioned by new physical theories such as the String theory. Now, the equivalence principle ...





Search results for space dimensions


Brightness and darkness as perceptual dimensions

Biology /

created Oct 19, 2007 | popularity 4.8 / 5 (14) | comments 1

A common-sense assumption concerning visual perception states that brightness and darkness cannot coexist at a given spatial location. One corollary of this assumption is that achromatic colors, or perceived grey shades, ...


Who cares about the fourth dimension?

Who cares about the fourth dimension?

Physics / General Physics

created Feb 03, 2009 | popularity 4.3 / 5 (16) | comments 29

Austrian scientists are trying to understand the mysteries of the holographic principle: How many dimensions are there in our universe?


Spacetime May Have Fractal Properties on a Quantum Scale

Spacetime May Have Fractal Properties on a Quantum Scale

Physics / Quantum Physics

created Mar 25, 2009 | popularity 4.8 / 5 (54) | comments 40

(PhysOrg.com) -- Usually, we think of spacetime as being four-dimensional, with three dimensions of space and one dimension of time. However, this Euclidean perspective is just one of many possible multi-dimensional ...


Particle accelerator may reveal shape of alternate dimensions

Physics / General Physics

created Jan 30, 2008 | popularity 4.2 / 5 (41) | comments 2

When the world's most powerful particle accelerator starts up later this year, exotic new particles may offer a glimpse of the existence and shapes of extra dimensions.


Next stop: The fourth dimension

Next stop: The fourth dimension

Physics / General Physics

created Sep 03, 2008 | popularity 4.4 / 5 (69) | comments 8

How did the universe come to be? What is it made of? What is mass? Can science prove that there are other dimensions? We may have answers soon.


The adventure of space enterprise in the 21st century

Space & Earth / Space Exploration

created Sep 02, 2008 | popularity 3.8 / 5 (5) | comments 1

For over a half century, human activities in outer space have increased, but the high point was the Apollo Moon landings from 1969 – 1972. Now the United States has set forth a national space policy to return permanently ...


USC College theoretical physicist Itzhak Bars

A Two-Time Universe? Physicist Explores How Second Dimension of Time Could Unify Physics Laws

Physics / General Physics

created May 15, 2007 | popularity 4.6 / 5 (343) | comments 6

For a long time, Itzhak Bars has been studying time. More than a decade ago, the USC College physicist began pondering the role time plays in the basic laws of physics — the equations describing matter, gravity ...


Physicists Demonstrate How Information Can Escape From Black Holes

Physicists Demonstrate How Information Can Escape From Black Holes

Physics / General Physics

created May 14, 2008 | popularity 4.3 / 5 (99) | comments 15

Physicists at Penn State have provided a mechanism by which information can be recovered from black holes, those regions of space where gravity is so strong that, according to Einstein's theory of general ...


5d dvd

Five-Dimensional DVD Could Hold Data of 30 Blu-ray Discs

Physics / General Physics

created May 21, 2009 | popularity 4.4 / 5 (18) | comments 14

(PhysOrg.com) -- While many people think that Blu-ray will replace DVDs in the near future, a new study shows that DVDs may still have a lot to offer. Researchers have designed a five-dimensional DVD that ...


Physicists and engineers search for new dimension

Physics / General Physics

created Mar 10, 2008 | popularity 4.3 / 5 (64) | comments 13

The universe as we currently know it is made up of three dimensions of space and one of time, but researchers in the Department of Physics and the Department of Electrical and Computer Engineering at Virginia Tech are exploring ...



List of search results for space dimensions