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Last month we caught wind of an impressive display of troll physics. [Fredzislaw100] out of Poland posted a video of a circuit that should not exist. As expected, the comments in our coverage blew up with 200 posts. About half the commenters called a little Adobe After Effects trickery, while the other half offered up an electrical explanation. [...]

Tags:  followup month reproducing poland impressive-display adobe-after-effects commenters led hacks  

After writing this post on somone hacking QR codes, Hack A Day commenters came out in full force posting some really cool links about modifying QR codes to include a logo. I’ll fully admit I geeked out a little, but in the process I figured out some of the theory behind embedding logos in QR [...]

Tags:  code post logo qr-code commenters cool-links how-to  

Last week, we posted a story about how to configure speech recognition at a beginner level. Several of the commenters expressed an interest in doing speech recognition for embedded devices. [Nickolay Shmyrev] volunteered to write some directions for those people. In this article, [Nickolay] will be taking you through the basics of setting up your [...]

Tags:  recognition nickolay speech beginner-level commenters speech-recognition cellphones hacks  

Driven by the relentless nagging encouragement of the Hackaday commenters, [Johndavid400] has improved the Lawnbot 400. No longer does it just sport a makeshift wooden shelf. he now has a wheel barrow attachment. It looks quite sturdy as long as that front hinge holds out. There is an actuator coming in the near future for [...]

Tags:  driven lawnbot update wheel-barrow wooden-shelf commenters home hacks