purefocus

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Real-World Vaporware: Charge Your Phone With a Hydrogen Reactor

Most portable chargers won’t last long if you’re away from a power outlet for more than a couple of days. The vast majority of them need to be …

A Repetitive Hate for Statistics

When I tell people that I’m a graduate student in Statistics, there are two responses that I get more than any others. The most popular of the two …

Up and Down the Ladder of Abstraction

How can we design systems when we don't know what we're doing? This interactive essay presents the "ladder of abstraction", a technique for using …

We are a global design, innovation and strategy firm.

frog<p>We transform businesses at scale.<p>Creating systems of brand, product and service that deliver distinctly better experiences for consumers, …

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Optimal solutions for Rubik's Cube

<b>Optimal solutions for Rubik's Cube</b> refer to solutions that are the shortest. There are two common ways to measure the length of a solution. The first …

Printerception: NXT Printer prints self portrait

Students from the Franz-Haniel-Gymnasium have extended the printer from the LEGO MINDSTORMS NXT 2.0 Inventor’s Guide to print images – pixel by …

EV3 and NXT: Difference and Compatibility

Since the launch of LEGO MINDSTORMS in 1998, three generations of MINDSTORMS products have been on the market:<p>1998: LEGO MINDSTORMS (RCX)<br>• 2006: LEGO …