Stephen Wolfram, creator of Mathematica, talks about his quest to make all knowledge computational -- able to be searched, processed and manipulated. His new search engine, Wolfram Alpha, has no lesser goal than to model and explain the...

In this tutorial I show how I synthesized the sound of hydrogen for the "Sound of Hydrogen" video using mathematica - it's a little technical, but you've been requesting it!

In a monetary economy, all transactions are three-sided: There is a buyer, a seller, and a bank that records the transfer of money between the two parties. A realistic model of capitalism should have money in it, says Steve Keen in part...

Este programa de video de accion en vivo es sobre la palabra Escalares. El programa esta disenado para reforzar y apoyar la comprension y retencion por el estudiante de la palabra Escalares mediante el uso de secuencias de video,...

Željana is a former refugee and now teaches in the rural community. She could never get back to her hometown, but her experiences inspired her to develop a new type of school tailored for a child of the 21st century. In her first big...

1. Various of Meskerem washing family laundry

2. Meskerem's mother Bercha with
baby
3. Various of Meskerem with shoe
shine kit
4. Various of Meskerem...