10 MAR 2017 by ideonexus
Gamification Auction Mechanic
On a previous assessment, Mrs. Tabor asked her students three different questions to assess their science-centered critical thinking. Based on the answers, she gives each student a chip with a different color and value (much like the suns in Ra). Students who demonstrated an “average” level of critical-thinking skills get chips worth 3 or 4; students who demonstrated greater critical-thinking skills get chips worth slightly less (2 or 3); and students who struggled a bit get chips worth m...Folksonomies: education gamification
Folksonomies: education gamification
06 JAN 2012 by ideonexus
Electricity is Like Magic, but is Also Law
Surely there is no technology that has changed our lives more than the electricity that comes into our homes on a wire. Lighting, cooling, heating, ironing, cooking, and entertainment at the flick of a switch. Cheap, silent, invisible energy at our beck and call, flowing though a wire.
Magic. Wonderful.
One of my scientific heroes is Michael Faraday -- gentle, brilliant, infused with wonder. No one did more to wrest electricity from the gods and make it do our bidding than he. For most peop...We cannot forget when we appreciate the wonder of our Universe that it is governed by laws, not magic.