RSSArchives: August 2007
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August 9, 2007
Electromechanical transducer out of a polystyrene conical section
Bookburn writes -
"A what?" you ask. An "electromechanical transducer" refers to the type of speakers we are most familiar with; a permanent magnet and an electromagnet wildly vibrating to produce sound. And by "polystyrene conical section" I mean plastic cup.Electromechanical transducer out of a polystyrene conical section - Link.Whatever this is, it is not an Instructable on how to callously rip apart your roommate's computer speaker and glue the driver into some other object. I show how to build the actual transducer unit (commonly called a speaker driver) with a few simple objects. The speaker is super easy, extremely impressive, and so cool that it even makes Kenny G. sound good.
Posted by Phillip Torrone |
Aug 9, 2007 03:00 AM
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Voltage, current, and resistance
Here's a handy resistor value chart from our article Voltage, Current, and Resistance in MAKE volume 10....Voltage, current, and resistance are three staple quantities you'll encounter with anything that has electrons running through it. Here's how they all tie together- Link.
Subscribers--read this article now in your digital edition - Link.
Posted by Phillip Torrone |
Aug 9, 2007 02:00 AM
DIY Projects, Electronics |
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Flickr - new upload screen
This one is for all the folks in the MAKE Flickr photo group, Flickr has a new upload screen, a lot better, with batch operations too! - Link.
Posted by Phillip Torrone |
Aug 9, 2007 01:00 AM
Imaging, Online |
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Branded with science
Good science these are some nice tattoos! - [via] Link.
Posted by Phillip Torrone |
Aug 9, 2007 12:00 AM
Arts, Science |
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August 8, 2007
Space Shuttle Endeavour's STS-118 pics Space Shuttle Endeavour's STS-118
Randy sent in these shots from the STS 118 launch, he writes -
Boring launch. Thankfully. The haze was so thick, pic #856 is when the shuttle was first visible after launch! Now if I were a MAKEr with government funding.....I would be riding rockets into outer space too! Lucky they let me watch and dream. Enjoy! BTW- finally got the paid subsciption to the MAKE magazine. First such purchase of a magazine subsciption in 20+yrs....it's that good!
Posted by Phillip Torrone |
Aug 8, 2007 08:00 PM
Science |
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Six inch gas turbine engine
Researchers at Tohoku University have developed a working prototype of what they are calling the world's smallest gas turbine engine, a palm-sized motor they hope will one day be used to power autonomous robots and serve as a portable engine for personal transportation devices.
"World's smallest" gas turbine engine - Link
Posted by Gareth Branwyn |
Aug 8, 2007 08:00 PM
Robotics, Science |
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Build your own rain barrels
Rain barrels are easy to make and conserve both water and money. This tutorial, and the longer one it links to, shows you how.
Build your own rain barrel to conserve water and save money - Link
Posted by Gareth Branwyn |
Aug 8, 2007 06:00 PM
DIY Projects, Green |
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Patio waterfall wall
Danny Mavromatis, a.k.a. Marvomatic, has a piece on his site detailing his build of a waterfall feature on a patio wall.
DIY: Patio Waterfall Feature - Link
Posted by Gareth Branwyn |
Aug 8, 2007 04:00 PM
DIY Projects |
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Coasters from semiconductor photomasks
EMS Labs has a piece on turning photomasks, the fused-silica templates used as templates in semiconductor manufacturing, into cool coasters.
Photomask coasters - Link
Posted by Gareth Branwyn |
Aug 8, 2007 02:00 PM
Crafts, DIY Projects |
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The 2007 MAKE Magazine reader survey
We here at MAKE could use your help to better understand you -- how you use our magazine and related resources, as well as the kinds of DIY activities you are interested in. We want to get a better sense of who reads MAKE to make sure all of our content, from editorial to advertising/sponsorship, is as relevant to you as possible.
We ask for your email information at the conclusion of this survey for one reason: to allow you to enter yourself in a random drawing for gifts. Providing your email is strictly optional. Other than that, we do not ask any personally identifiable information, nor will we sell, rent or share your email address to third parties.
This survey should take about 12 to 15 minutes to complete. Please take a moment to participate in the MAKE Magazine reader survey by clicking here - Link.
Posted by Phillip Torrone |
Aug 8, 2007 01:00 PM
Announcements |
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Cassette tape culture
Design boom's cassette tape culture -
these days it is hard to avoid the continuing debate that surrounds the 'future of music' and the formats that bring it to us. however this so called 'digital age' isn't the first time that new music formats have created such a stir, some time not too long ago it was cassette tapes that were causing the music industry concern. the design of the cassette tape was resolved in the 1960s by the dutch electronics company philips as a portable alternative to the large vinyl formats. having not been patented the cassette tape design was quickly copied by many manufacturers leading to its widespread use. during the mid 1980s cassettes were at their most popular accounting for more than half of the worlds total music sales. alongside the attraction of music on the move, the cassette tape offered the opportunity for people to edit and customize their music easily for the first time. the DIY ethic of the tapes didn't stop with home recording though, as many people often created their own artwork for their mixes.cassette tape culture - [via] Link.
Posted by Phillip Torrone |
Aug 8, 2007 10:00 AM
Arts, Retro |
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Rocketbelt convention! Niagara Falls Air Reserve Station, Niagara Falls, New York on August 11-12 2007
Rocketbelt convention! Niagara Falls Air Reserve Station, Niagara Falls, New York on August 11-12 2007 -
Join the fun and excitement as Rocketbelt test-pilots, builders, and enthusiasts from around the world gather for the First International Rocketbelt Convention “Rocket Forward into the Future” at the Thunder Of Niagara Airshow, Niagara Falls Air Reserve Station, Niagara Falls, New York on August 11-12 2007, 09:00 A.M. to 4:30 P.M.Rocketbelt - Link.Original Bell Aerosystems Rocketbelt Pilots Harold Graham and William Suitor will recount their humorous and harrowing tales of the early 1960s when they traveled the globe, demonstrating the world’s first personal propulsion system, invented by Bell Rocket Engineer Wendell F. Moore. In the spring of 1963, Rocketbelt Pilots Robert F. Courter, Jr. and Peter L. Kedzierski flew before a million spectators at the International Aviation and Space Exposition in Paris, where they were hailed as “The Bird Men.” Current day rocketbelt builders will tell how to build your own rocketbelt, and display their own creations. There will be a rocketbelt static test demonstration, and on Saturday and Sunday morning, GoFast! Rocketman Eric Scott will open the Airshow with actual JETPACK flight demonstrations.
“The convention will be a unique, one of a kind, never seen before event,” said convention co-organizer, Peter Gijsberts of Nuenen, the Netherlands and head of the Airwalker Society, dedicated to preserving the legacy of the Rocketbelt. Also participating in this historic meeting will be former Bell Aerospace chief test pilot John Spencer, and “The Rocketman since 1951” Ky Michaelson. Gerard Martowlis, Jeremy McCrane, Juan Manuel Lozano and Mark Wells will show their rocketbelt projects, and give lectures. Andrew Filo will demonstrate his rocketbelt simulator.
Kathleen Lennon Clough of Cambridge, Maryland, and North Topsail Island, North Carolina, co-organizer and coordinator in the US, is the daughter of Tom Lennon, who recorded the Rocketbelt test flights and demonstrations as Bell Aerosystems’ senior photographer and cinematographer. Lennon also had a turn at flying the rocketbelt in its early testing phase, and was the first to fly it with stability. “ If you’ve never seen a rocketbelt fly, this is your chance!” said Clough. “Bring your ear plugs! This is the second time that the men who developed and flew the original Bell Rocketbelt will meet the next generation of Rocketbelt builders and pilots, and we will have present day versions of rocketbelts, and a rocketchair, on display, alongside those of the past,” continued Clough. “We are hoping families of former Bell employees will once again join us to renew old friendships.
Admission to the Airshow is free.
This year, like last year, we teamed up with the Niagara Aerospace Museum, who provided us original rocketbelts and artifacts.
Posted by Phillip Torrone |
Aug 8, 2007 09:00 AM
Events |
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Suns new SPARC GPL'd (open source hardware)...
Jonathan Schwartz from Sun on the new GPL'd SPARC -
We're announcing the fastest microprocessor we've ever shipped this week - delivering 89.6 Ghz of parallel computing power on a single chip - running standard Java applications and open source OS's. Simultaneously, we've said we're entering the commodity marketplace, and opening the chip up to our competition. It's probably worth explaining....Sun Enters the Commodity Silicon Business - Link....the blueprints for our UltraSPARC T2 (I personally like the moniker, "Niagara 2" - named after Niagara Falls, btw, and the great volumes of water that pass over them), the core design files and test suites, will be available to the open source community, via its most popular license: the GPL. Making Niagara 2 the only commodity silicon whose core designs are available to the open source community - whose strength, and market power, only grows by the day.
Related:
Sun Microsystems Enters Commercial Silicon Market With World's Fastest Commodity Microprocessor - Link.
This isn't our usual coverage of open source hardware projects like MP3 players, USB chargers or something you can build with a kit (yet) - but check out our ongoing coverage of all things open source hardware here - Link.
Posted by Phillip Torrone |
Aug 8, 2007 08:00 AM
Computers, Open source hardware |
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RFIDIOt.org - RFID IO tools
Adam writes -
RFIDIOt is an open source python library for exploring RFID devices. It's called "RFIDIOt" for two reasons:
- I like puns. This one stands for "RFID IO tools"
- Since I haven't done any serious programming for a long time, I felt like an idiot having to learn a whole new language and the code probably looks like it's written by an idiot. However, python rocks, so it was worth it!
What does it do?RFIDIOt.org - RFID IO tools - Link.
It currently drives a range of RFID readers made by ACG, called the HF Dual ISO and HF Multi ISO, which are both 13.56MHz devices, and the LF MultiTag which is 125/134.2kHz. Frosch Hitag reader/writers are also now supported. There's no reason it couldn't work with others, these are just the first ones I got my hands on, and since they present themselves to the O/S as standard serial devices without having to install any drivers, it made interfacing very simple (but see the Technical Note section below as I've had some issues recently). I have written some example programs to read/write tags and have started on the library routines to handle the data structures of specific tags like MIFARE®. It is far from complete but I thought I'd follow the "publish early, publish often" philosophy on this one...PC/SC (MUSCLE) devices, such as the Omnikey CardMan are also supported. I am curently testing with a CardMan 5321.
Posted by Phillip Torrone |
Aug 8, 2007 07:00 AM
DIY Projects, Electronics |
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The Bender brewer project
Simon writes -
This is my project to build a life sized, beer brewing, remote controlled talking Bender robot from Futurama. He isn't quite finished so no beer has yet been brewed in him yet but he is getting there. The body and head are mostly done and his MOS 6502 processor based brain/voice is complete and working. I am updating my progress as I go.The Bender Brewer Project - Link.
Posted by Phillip Torrone |
Aug 8, 2007 06:00 AM
DIY Projects |
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The hoof trimmer
Ann sent in this video about a guy in maine who built his own hydraulic cow-lift to tip a cow on it's side, so he can take a power grider to it's hoofs. Lots of jiggling udders and a dramatic cow-fall included! (No animals were harmed) - Link.
Posted by Phillip Torrone |
Aug 8, 2007 05:00 AM
Made On Earth |
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Dick Bear's McBearen/Mclaren
Metal Meet forums thread about Dick Bear's "McBearen" McLaren racer, built by hand, from the ground up, thanks Visgoth!. Link.
Posted by Phillip Torrone |
Aug 8, 2007 04:00 AM
DIY Projects, Made On Earth, Transportation |
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KLOK K7 - Nixie clock kit
Continuing on the Nixie clock kitting... The KLOK K7 - Nixie clock kit is stunning! - Link.
Posted by Phillip Torrone |
Aug 8, 2007 03:00 AM
DIY Projects, Electronics, Kits |
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Kid trailer to kayak carrier
Rex sent in how he converted a child trailer to carry his kayak to the lake by bicycle -- Link.
Posted by Phillip Torrone |
Aug 8, 2007 02:00 AM
Bicycles, DIY Projects, Transportation |
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HOW TO - Make bacon
Dave sent in this great how to on making bacon, he writes -
I'm starting to gather a reputation as a fairly self-sufficient guy. Of course there's the homebrewing, the woodworking, the gardening, and yes, we're thinking of getting some chickens. So I was not really surprised when my sisters got me a book on home meat-curing for my birthday, the simply, yet fancily-named Charcuterie. Beyond its appeal as a potential source of deliciousness, the book is stuffed full of great pencil drawings of one of my favorite subjects: meat preparation. Sausage, Prosciutto, Jamon Serrano, Saucisson Sec, and that staple of every Iowan's diet, sweet, sweet bacon. Home-made bacon. Made ... at home. By you. Holy. F-ing. Shit.HOW TO - Make bacon - Link.Perhaps home-made bacon's greatest appeal to me was the possibility of slicing it to whatever thickness my heart desires. Actually, my heart desires me not to cut bacon that thick. But my stomach will really be into it. Speaking of stomachs, home-made bacon offered me another once-in-a-short-lifetime opportunity: the chance to speculate on pork bellies.
Posted by Phillip Torrone |
Aug 8, 2007 01:00 AM
DIY Projects |
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Page 18 of 23 << 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 >>
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