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Build An Acoustic Tractor Beam And Control Objects With Sound!

This is definitely a more advanced project, but with less than $75 in parts, you can build your very own working Acoustic Tractor Beam:

You’ll need to 3D print some parts, and code your own Arduino, and check things with an oscilloscope, but if you’re looking for a fun project that ends with the ultimate desk toy, this is it!

Acoustic Tractor Beam

For complete instructions on how to create your very own Acoustic Tractor Beam, check out this Instructables.

Coffee Joulies – Magic Beans For Your Drink

Coffee Joulies

Coffee Joulies are magic beans that keep your coffee (or any other hot beverage) at the perfect temperature.

First, they absorb extra thermal energy in your coffee when its served too hot, cooling it down to a drinkable temperature three times faster than normal. Next, they release that stored energy back into your coffee keeping it in the right temperature range twice as long.

Coffee Joulies are currently available as a project on Kickstarter, but with the interest that they’ve already generated, they shouldn’t have any problem getting the funding they need to become a real product.

Get a set of five now for just $40, and you’ll even save yourself 20% off the final retail cost.

[Coffee Joulies]

…The Sketchbook Project brings art to the people?

The Sketchbook Project

The Sketchbook Project is an art experiment where artists from anywhere in the world can sign up to receive a Moleskine Cahier sketchbook, and once they fill it with art related to various themes (ranging from “It will be fun, I swear” and “Jackets, blankets, and sheets” to “I’m sorry I forgot you” and “Things found on restaurant napkins”) they will send it back to the Art House Co-Op who will tour them around the country before finally adding them to the permanent collection of The Brooklyn Art Library, where they will be barcoded and available for the public to view.

Sketchbook Project Examples

The only rule is that the book must be used in some way, and that it must stay within its original dimensions. Everything else is up to the artist, so if you’d like to participate, be sure to sign up on their site by October 31.

[The Sketchbook Project]

…It’s Website Wednesday: Reknit?

Reknit

Reknit is a project by Haik Avanian where very month during 2010, you can send his mom an old sweater, and she’ll turn it into a new article of clothing.

This month, she’s knitting any old sweater into a new, hand-made, one of a kind scarf.

Now that’s a sustainable movement I can get behind!

[Reknit]

[Via: Josh Spear]