http://www.elllo.org/english/Mixers/T084-Gadget.htm
http://www.enchantedlearning.com/inventors/1900a.shtml
http://www.brainpop.com/science/
http://www.telegraph.co.uk/science/4981964/Top-10-inventions-that-changed-the-world.html
Dear students, let's learn about nano, nanomaterials, nanotechnology and some other concepts.Take notes that help you
http://www.youtube.com/user/wondervilleca?v=0UiihHvheK4&feature=pyv&ad=7974363549&kw=educational%20videos#p/u/0/0UiihHvheK4 http://www.youtube.com/user/wondervilleca?v=0UiihHvheK4&feature=pyv&ad=7974363549&kw=educational%20videos#p/u/3/WPt1JsV8Ob0
http://www.youtube.com/user/wondervilleca?v=0UiihHvheK4&feature=pyv&ad=7974363549&kw=educational%20videos#p/u/9/uqrOsOSFjdo