<![CDATA[About.com Physics: What's Hot Now]]> http://physics.about.com/ These articles that had the largest increase in popularity over the last week About.com http://z.about.com/f/lg/s10.gif http://www.about.com/ 118 20 en-us physics.guide@about.com 2017-03-13T11:29:33Z daily 1 2000-01-01T12:00+00:00 <![CDATA[How to Define Energy]]> http://physics.about.com/od/glossary/g/energy.htm http://physics.about.com/od/glossary/g/energy.htm education 2017-03-13T11:29:33Z <![CDATA[Specific Gravity: When gravity itself isn't...]]> http://physics.about.com/od/glossary/g/specgravity.htm http://physics.about.com/od/glossary/g/specgravity.htm education 2017-03-13T11:29:33Z <![CDATA[List of Important Physical Constants]]> http://physics.about.com/od/toolsofthetrade/a/constants1.htm http://physics.about.com/od/toolsofthetrade/a/constants1.htm education 2017-03-13T11:29:33Z <![CDATA[What the Compton Effect Is and Why It's Important]]> http://physics.about.com/od/quantumphysics/a/comptoneffect.htm http://physics.about.com/od/quantumphysics/a/comptoneffect.htm education 2017-03-13T11:29:33Z <![CDATA[What You Should Know About Physics]]> http://physics.about.com/od/physics101thebasics/f/WhatisPhysics.htm http://physics.about.com/od/physics101thebasics/f/WhatisPhysics.htm education 2017-03-13T11:29:33Z <![CDATA[What are the Three Laws of Thermodynamics?]]> http://physics.about.com/od/thermodynamics/a/lawthermo.htm http://physics.about.com/od/thermodynamics/a/lawthermo.htm education 2017-03-13T11:29:33Z <![CDATA[Density: How much stuff makes up different stuff?]]> http://physics.about.com/od/fluidmechanics/f/density.htm http://physics.about.com/od/fluidmechanics/f/density.htm education 2017-03-13T11:29:33Z <![CDATA[What Exactly Is a Photon?]]> http://physics.about.com/od/lightoptics/f/photon.htm http://physics.about.com/od/lightoptics/f/photon.htm education 2017-03-13T11:29:33Z <![CDATA[How Physicists Define Heat]]> http://physics.about.com/od/glossary/g/heat.htm http://physics.about.com/od/glossary/g/heat.htm education 2017-03-13T11:29:33Z <![CDATA[How Electromagnetic Induction Creates Current]]> http://physics.about.com/od/physicsetoh/g/induction.htm http://physics.about.com/od/physicsetoh/g/induction.htm education 2017-03-13T11:29:33Z <![CDATA[Major Laws of Physics That Explain the Universe]]> http://physics.about.com/od/physics101thebasics/p/PhysicsLaws.htm http://physics.about.com/od/physics101thebasics/p/PhysicsLaws.htm education 2017-03-13T11:29:33Z <![CDATA[What Is Surface Tension? Definition and...]]> http://physics.about.com/od/physicsexperiments/a/surfacetension.htm http://physics.about.com/od/physicsexperiments/a/surfacetension.htm education 2017-03-13T11:29:33Z <![CDATA[The 6 Simple Machines and How They Work]]> http://physics.about.com/od/physicsintherealworld/p/simplemachines.htm http://physics.about.com/od/physicsintherealworld/p/simplemachines.htm education 2017-03-13T11:29:33Z <![CDATA[Michael Faraday revolutionized the understandin...]]> http://physics.about.com/od/famousphysicists/fl/Michael-Faraday.htm http://physics.about.com/od/famousphysicists/fl/Michael-Faraday.htm education 2017-03-13T11:29:33Z