We’ve previously posted about Junior Veloso’s liquid resin 3D printer, which uses a DLP projector beneath a bath of resin to cure an object into its appropriate shape. Junior is reporting a huge gain in resolution from multiple improvements in the design. From our friends at Hack A Day: He’s keeping most of the juicy […]
Make: Online readers who are secret agents—or secret agent wannabes—will love this project, which comes to us from MAKE Volume 16. By replacing the ink in a color inkjet cartridge with concentrated lemon juice, you can print with invisible ink. The secret message is revealed by spraying or wiping the paper with iodine tincture. Here’s […]
Direct from MAKE Volume 16, this project shows you how to mod your printer so that it prints with invisible ink.
More information, including a PDF of the instructions can be found here: http://blog.makezine.com/archive/2011/04/how-to-for-secret-agents-invisible-ink-printer-mod.html
About four times a year I seem to be able to concentrate well for eight hours in a row — in fact, about 48 hours in a row — and I just let it happen. I don’t know when it will occur or why, but it’s typically when some manic inspiration strikes. The rest of […]
I love Cory Doctorow’s droll description of this creation almost as much as I love the thing itself:
This handy gentleman has built an (arguably ill-conceived, but nevertheless impressive) rifle-cum-slingshot that fires machetes, should you find yourself with the need to fire machetes.
The handy gentleman in question is YouTuber Jörg Sprave, slingshot enthusiast par excellence. He blogs about it here. [via Boing Boing]
While most people would simply throw away an out-of-warranty iPod with a broken play/pause button, Craig gave his a new lease on life by attaching a custom-hacked dock connector. Inside the connector, he stuffed an ATtiny 13 microcontroller with a few other passive components. Now when he pushes the button on the connector, the ATtiny […]
Q&A: Open Source Electronics Pioneer Limor Fried on the DIY Revolution @ WIRED… Limor Fried is a maker’s maker. Sure, she’s got prime geek credentials: She earned an electrical engineering degree from MIT, invented several delightfully nerdy things to do with Altoid tins, and reverse-engineered the legendary Roland TB-303 synthesizer. Now she runs Adafruit Industries, […]
