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Find the Center of a Circle

Find the Center of a Circle

This instructable shows how to find the center of a circle. Many, many projects involve circular things and a need to easily find the middle. For various reasons pre-determining the center of a cut circle can be difficult, particularly when it will affect balance in motion.

Via Instructables | Posted on 2009.03.29 at 13:20

Crazy Diaper Prank

Crazy Diaper Prank

Perfect for April Fool's Day! It's not what you think. Play this easy and funny prank on your friends. Watch the video for a bonus prank. step 1What You Need.

Via Instructables | Posted on 2009.03.26 at 17:08

Fireballs you can Hold in Your Hands!

Fireballs you can Hold in Your Hands!

Ooh, fire. One of the biggest fascinations of man since the beginning of time. Doesn't it seem so cool to be able to hold it in your hands? You've probably seen the video of this stunt before.

Via Instructables | Posted on 2009.03.26 at 17:05

Hand Light

Hand Light

Walk around an illuminate wide areas without holding a bulky flash light. It slips right onto your hand. step 1materialswhat you need: twine\string seizors cardboard (leather perferred) battery LED lights wires step 2Making the baseTo make the base, you should cut out a rectangle and poke four holes in the corners, and five in the middle going across.

Via Instructables | Posted on 2009.03.22 at 19:50

Make a Rogowski coil

Make a Rogowski coil

What does a rogowski coil do? A rogowski coil is a usefull method of measuring the current that passes through a conductor, AC power or pulse power. A rogowski coil is a kind of current transformer, depending on the current passing through the center, the voltage output varies.

Via Instructables | Posted on 2009.03.21 at 09:56

Make a poweful (green) railgun!

Make a poweful (green) railgun!

Disclaimer: I take no responsibility for anything that happens. Veiw my project at: http://rp181. 110mb. com Under railgun. The goal of this guide is to show you how to make a railgun.

Via Instructables | Posted on 2009.03.19 at 23:41

How to make Propaganda(FIlms, presntations, etc.)

How to make Propaganda(FIlms, presntations, etc.)

Wikipedia defines propaganda as: Propaganda is the dissemination of information aimed at influencing the opinions or behaviors of large numbers of people.

Via Instructables | Posted on 2009.03.17 at 17:04

In the Maker Shed: Elements of Science Kit

In the Maker Shed: Elements of Science Kit

The Elements of Science Kit from the Maker Shed is a great way to get your kids interested in Chemistry, Biology and Physics. The kit includes a full-color, 112-page, book and the supplies that you need to perform the 100 different experiments.

Via Makezine | Posted on 2009.03.16 at 13:15

The Beginning Engineer's Checklist

The Beginning Engineer's Checklist

I like this "Beginning Engineer's Checklist," from the PIClist site. Here are the first six items on the list: 1. NEVER loan out your copies of: The Art of Electronics (Horowitz & Hill, Cambridge University Press) (you do HAVE a copy don't you?)Illustrated Sourcebook of Mechanical Components or Ingenious Mechanisms for Designers and InventorsThe Art of Computer Programming, Volumes 1.

Via Makezine | Posted on 2009.03.16 at 06:41

One Earth Designs

One Earth Designs

Photo from Scot Frank on Flickr A few weeks ago I met up with Scot Frank at an event held by Amy Smith's D-Lab group at MIT. Scot told me of his project One Earth Designs, and their work to help create effective engineering solutions for people in the developing world.

Via Makezine | Posted on 2009.03.15 at 04:05


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