Dimensions are complicated, and wrapping your mind around how many there are can give you a headache. Join Trace as he explains everything you should know about them. Read More: What is a dimension, and how many are there? http://science.howstuffworks.com/science-vs-myth/everyday-myths/dimension.htm "As you've probably noticed, we live in a world defined by three spatial dimensions and one dimension of time." Imagining Other Dimensions http://www.pbs.org/wgbh/nova/physics/imagining-other-dimensions.html "For most of us, or perhaps all of us, it's impossible to imagine a world consisting of more than three spatial dimensions." 10 Dimensions http://www.universetoday.com/48619/10-dimensions/ "We all consider dimensions in general terms such as another reality or how we perceive the environment around us." How Many Dimensions Does the Universe Really Have? http://www.pbs.org/wgbh/nova/blogs/physics/2014/04/how-many-dimensions-does-the-universe-really-have/ "An engineer, a mathematician and a physicist walk into a universe. How many dimensions do they find?" Extra dimensions, gravitons, and tiny black holes http://home.web.cern.ch/about/physics/extra-dimensions-gravitons-and-tiny-black-holes "Why is gravity so much weaker than the other fundamental forces?" Scientists suggest spacetime has no time dimension http://phys.org/news/2011-04-scientists-spacetime-dimension.html "The concept of time as a way to measure the duration of events is not only deeply intuitive, it also plays an important role in our mathematical descriptions of physical systems." Theoretical physics: The origins of space and time http://www.nature.com/news/theoretical-physics-the-origins-of-space-and-time-1.13613 "Many researchers believe that physics will not be complete until it can explain not just the behaviour of space and time, but where these entities come from." ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Tara Long on Twitter https://twitter.com/TaraLongest DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq

• published: 08 Nov 2014
• views: 596560