The first caliper was found in a wreck off the Italian coast called the Greek Giglio wreck. The ship found in the wreck was thought to have been from the 6th century. So it seems that the Greeks and the Romans used...
Speed can be measured in many different ways and the instruments used to measure speed vary with the job.
This is part 5 of a 6 part hands-on unit on inventions and simple machines. Watch static electricity lift hair and separate salt and pepper, build and test circuits and switches using household materials, play an...
This is part 6 of a 6 part hands-on unit on inventions and simple machines. Work in groups to devise a confetti launcher and a Rube Goldberg machine that makes the simple task of squirting toothpaste onto a toothbrush...
Pumps are used for transportation of Fluids from one place to other. Depending upon the application, Pumps are selected. Types of Pumps are classified according to the operating principle.
Science had made our lives easier and more convenient because of it's advancement, inventions and innovations of different technologies.
Many factors go into building a sturdy, safe suspension bridge. Most of today's best designs came out the catastrophic failurs of past suspension bridges, like that of the Tacoma Narrows Bridge in Washington State.
Power generation from waves could be boosted by using the rocking motion of waves rather than just the up an down motion. Here's how it can be done.
This is part 2 of a 2 part hands-on unit study on bridges. Create and act out cantilever, suspension, & cable-stayed bridges, compete in a bridge-building contest, and more! These lessons are geared toward 4th-5th...
Speeding, do you really save any time when you go a few miles over the posted speed limits on the highways. The answer will surprise you when you look at it mathematically unless you are driving a lot further than 100...
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