This article from the Samuel Centre for Social Connectedness discusses how technology has altered humans' interactions in their daily lives. Machines and automation have replaced our interactions with service people. It looks at the...

Descriptions and photos of the wide variety of robotics projects at Columbia University.

Spark Notes gives a brief overview of the 1950s from consumerism and conformity to poverty to youthful rebellion. A good review of this important decade in American history.

A look at the various types of unemployment and what conditions are necessary for an economy to be at full employment.

A general overview of defibrillation, a procedure where the heart is given an electric shock in an effort to restore normal function. Learn about how this treatment is performed and its importance in treating cardiac arrest.

Article describes ZigBee wireless communication, its uses and features, and one of its first targeted applications - cheaply installed portable light switches, thermostats, and security systems in the home. (Published August 19, 2004)

Robot enthusiasts in the Dallas area get together for contests and other sharing of robotic information. Great pictures of personal robots here!

Resources are things we need to get a job done. Every technological system makes use of seven types of resources: people, information, materials, tools and machines, energy, capital, and time.

Run the classic game of life, learning about probabilities, chaos and simulation. This activity allows the user to run a randomly generated world or test out various patterns.

Robix sells robotics kits to the education industry. Experience robotics through the use of VRML as a plug-in to your browser. Links to download the plug-in are on the site.

A short automated quiz that tests the student on the preterite and stem changing verbs. The quiz displays one question at a time and when you've answered it the next question appears.

This site from Georgia State University Physics Department defines elastic potential energy and explains its origin. Provides an equation for computing elastic potential energy and an opportunity to practice solving problems with an...