Programming robots like you would train a pet

[Jim] has been working with a team from various Universities to develop an intuitive way to guide and train assistance robots. They focused on one particular technique, training a robot to follow on a leash in the same way you would a pet dog (PDF).

He was inspired to send in a link to his research after reading about the Read the rest

Canon A70 CCD replacement/repair

Looking for an underwater camera setup, [Imsolidstate] picked up a Canon A70 and a Canon water-tight housing on eBay for around $45. Unfortunately the camera arrived with a non-functioning CCD. Another trip to the online auction site landed him a replacement CCD which he set about installing.

We have this exact model of camera with a cracked LCD display. … Read the rest

Shop lighting: weighing cost and efficiency

[Ben Krasnow] wanted to upgrade his shop lighting but before he made any decisions he decided to educate himself about the options that are out there. Luck for us, he shares the facts about different lighting in terms of cost and efficiency.

His old setup uses fluorescent light fixtures with T12 bulbs. These are rather bulky and inefficient bulbs. … Read the rest

Help 2600 Magazine Compile a List of Dates for their Hacker Calendar!

2600, the magazine familiar to many as a preeminent hacking quarterly, is publishing a calendar. While, according to the 2600 site, most calendars only mark holidays, 2600 intends to “provide as complete a guide to milestones in the hacker world as humanly possible.” Not an easy task considering that, depending on your definition, hacking could extend to the … Read the rest

Build your own panoramic pinhole camera

panoramic_pinhole_cam

While it seems that the digital camera is king, some people still love shooting with good old 35mm film – [Costas Kaounas], a high school teacher and photographer certainly does. He recently published plans for a great-looking 35mm pinhole camera over at DIY photography that we thought you might enjoy.

[Costas] put together a set of simple hand-drawn plans for … Read the rest

Two Kinects Plus One HD Projector Makes the Coolest “Snowglobe” Ever

Looking for something to replace the flat screen display that was amazing in your house ten years ago?  How about a circular display similar to a snowglobe (crystal ball?) that will display the image you are watching correctly no matter at what angle you view it.

This amazing student project from Queens University combines elements that many hackers are familiar … Read the rest

Amazing 3d telepresence system

encumberance_free_telepresence_kinect

It looks like the world of Kinect hacks is about to get a bit more interesting.

While many of the Kinect-based projects we see use one or two units, this 3D telepresence system developed by UNC Chapel Hill student [Andrew Maimone] under the guidance of [Henry Fuchs] has them all beat.

The setup uses up to four Kinect sensors in … Read the rest