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As part of its Battery 500 project - an initiative started by IBM in 2009 to produce a battery capable of powering a car for 500 miles - Big Blue has successfully demonstrated a light-weight, ultra-high-density, lithium-air battery. In IBM's lithium-air battery, oxygen is reacted with lithium to create lithium peroxide and electrical energy (pictured above).

great video on math

This is a video describing a scientific process within use of systems and models. The importance of understanding these two components in science and theory is applicable toward gaining better organization. Organization is key when it comes to dissecting elaborate processes and making sense of them in order to come to conclusions from evidence.

This is a video how global population grows.

Leon Esterowitz began his academic life as an English major because of his love of literature, but found himself drawn into physics, and ultimately a decades-long career in engineering. That career helped guide the development of the first medical lasers and night-vision technology, helped develop novel biophotonic medical diagnostic techniques. He now guides research on biophotonics - a field of research that uses light to observe and manipulate tissues and cells - for a program he created more than ten years ago for the National Science Foundation.

Read articles from ACS publications highlighting recent developments in the chemical sciences. The Denver National Meeting theme is Chemistry of Air, Space, and Water! Enter the video contest and stay 4 nights free. Short Courses at the Denver National Meeting. Donate to the Japan relief fund.

Words that begin with the letter "y" are called out in this short cartoon featuring a yak. (0:49) November 22, 2008 at 07:33 AM Ages: 3 - 7 License: Undetermined Explanation of Direct and Inverse variation. White board in a class setting, some interaction, engaging, several examples of increasing complexity.

Alissa received her undergraduate and masters degrees from Stanford University and is currently a teacher in the San Francisco Bay Area. Brightstorm users love her clear, concise explanations of tough Algebra concepts. In her spare time, she enjoys playing soccer, hiking and is the dance team advisor at her high school.