Tags » Science & Technology

SpaceX Lands Fourth Booster after Successful Falcon 9 Launch

James Dean reports: SpaceX enjoyed a trio of successes on Friday when it launched its Falcon 9 rocket, landed the first stage and deployed a communications satellite.Falcon 9 blasted off from… 358 more words

Science & Technology

Tesla & His Coil

A “Tesla coil” is an electrical resonant transformer circuit invented by Nikola Tesla around 1891. It is used to produce high-voltage, low-current, high frequency alternating-current (A/C) electricity. 41 more words

Photograps I Love

The Everlasting Light Bulb We Never Heard About...

This light bulb has been working continuously for 110 years. It was made by a competitor to Thomas Edison named Adolphe Chailet and is located at Fire Station Number 6 in Livermore, CA. 47 more words

Photograps I Love

Geo Science Challenge

  The Geo Science Challenge is from Alberta Girl Guides. “The goal of this challenge is to introduce girls to the world of Geoscience and provide them with exposure to different elements in a fun and exciting environment. 34 more words


The Knowledge Web, by James Burke: A Review

The Knowledge Web is a dizzying tour through the history of science and technology, yet thanks to its origins in the pre-“Information Age” culture of research and presentation, it generally succeeds as well as its predecessors, … 1,395 more words

Book Reviews