Dr. Rudra Lad

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You know you want to check out these absolutely stunning images of the Milky Way: http://oak.ctx.ly/r/i8uu

Infographic: This Is What's Causing Climate Change

Wow, maybe we should stop cutting down so many trees.<p>If you tried to list the biggest contributors to greenhouse gas emissions, you might say cars, or cows, or airplanes. Those are all major problem sources, but they're not the only ones, or even necessarily the biggest ones.<p>Ecofys, a sort of …

How I Survived A Week Without Food

I consumed nothing but Soylent, a food-replacing beverage, for a week. Here's what happened to me (and my poop).<p><i>Click here for a step-by-step guide to making homemade Soylent</i><p>My best friend's graduation ceremony starts in 10 minutes and I'm trying to suppress vomit at a Speedway.<p>It's my third day on …

How to Use a Rafter Square

The Rafter Square, or Speed Square, does more than mark perpendicular lines. Here's how to make sense of all the numbers on your square and get the most out of this tool.<p>The Rafter Square, or Speed Square, does more than mark perpendicular lines. Here's how to make sense of all the numbers on your …

Prototypes That Last: Simple Tips for Making Durable Parts, Part 1

Advances in low-cost 3D Printing and CNC Machining have made it easy for a growing number of hobbyists to design and manufacture complex parts in the privacy of their homes. But the technology itself is not always enough: functional prototypes made out of PLA or machined out of HDPE often prove to …

Knitic, an Open Hardware Knitting Machine

The Arduino blog has a great piece about Knitic, a project involving a custom shield for an Arduino Due; these plug into a knitting machine’s solenoids and sensors, allowing Arduino control of your machine.<p>Knitic is an open source knitting machine, which controls a Brother electronic knitting …

10 Stunning Underwater Photos

Featuring a ghostly seal, a stylish crab, and more. You're welcome!<p>Every year since 2005, the University of Miami's Rosenstiel School of Marine and Atmospheric Science has judged a crop of photos for consideration in its Underwater Photography Contest. The winners and runners-up--in categories …

Printing Curves not Layers

Mataerial is a 3D printer that breaks out of the box, literally.<p>The prototype unit is additive, like other 3D printers, but that’s where the comparison ends. Instead of piling up layers on a circumscribed bed, Mataerial uses a robotic arm and fast-solidifying material to create graceful, flowing …

Component of the Month: LEDs and Diodes

<i>Light-emitting diodes (LEDs), as well as diodes of the non light-up variety, are the topic for June’s Component of the Month coverage.</i><p>We kick off June with an excerpt from Syuzi Pakhchyan’s excellent resource for wearable tech, Fashioning Technology.<p>Want to learn more about LEDs and diodes? We’ll …

Beginner Electronics Project: The TapeTricity Card

A TapeTricity solar system. Check out all those ringed planets!<p>The train has left the station!<p>A motivational frog with glowing red eyes.<p>A paper airplane with a glowing red nose.<p>Make sure to dot your i’s and cross your t’s!<p>The back side of the “Annie” card, showing the circuit.<p>One girl’s tribute to …