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2009/01/01

[MAKE Magazine - daily] - MAKE Magazine


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Hello there, here are your daily updates from the MAKE blog - 2009/01/01.





Homemade New Year's eve ball

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Mactech's homemade New Year's eve ball!

It's 20 feet tall, made of two pieces of 3/4" EMT with a coupler that wasn't strong enough, so I taped some shims along the joint...guy wires to keep it from keeling over sideways. There are a couple of pulleys to hoist the ball.


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Cause of ZUNE leapyear problem - Freescale date routine

itsnotabigtruck writes -

After doing some poking around in the source code for the Zune's clock driver (available free from the Freescale website), I found the root cause of the now-infamous Zune 30 leapyear issue that struck everyone on New Year's Eve.


The Zune's real-time clock stores the time in terms of days and seconds since January 1st, 1980. When the Zune's clock is accessed, the driver turns the number of days into years/months/days and the number of seconds into hours/minutes/seconds. Likewise, when the clock is set, the driver does the opposite.

The Zune frontend first accesses the clock toward the end of the boot sequence. Doing this triggers the code that reads the clock and converts it to a date and time. Below is the part of this code that determines the year component of the date:



year = ORIGINYEAR; /* = 1980 */

while (days > 365)
{
if (IsLeapYear(year))
{
if (days > 366)
{
days -= 366;
year += 1;
}
}
else
{
days -= 365;
year += 1;
}
}


Looks like it's a leap year thing and it might happen again in 4 years... For now those with ZUNEs can just wait a day. This bug and the android "run every word you type" bug - typing "reboot" would reboot the phone are 2008's weirdest mobile device bugs.



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Sustainable building design contest

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Tripod: a student entry from last year's contest.

The EPA just announced its newest lifecycle building challenge:

Enter the third year of the Lifecycle Building Challenge competition, to shape the future of green building and facilitate local building materials reuse. Submit your innovative project, design, or idea for reducing to conserve construction and demolition materials and reduce greenhouse gas emissions by designing buildings for adaptability and disassembly.

Lifecycle building is designing buildings to facilitate disassembly and material reuse to minimize waste, energy consumption, and associated greenhouse gas emissions. Also known as design for disassembly and design for deconstruction, lifecycle building describes the idea of creating high-performance buildings today that are stocks of resources for the future.

There are awards for both full buildings and building products, and both students and professionals can submit entries ("professionals" built or unbuilt, students only unbuilt). More info here.

(via Treehugger)

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Serv O'Beer with iPhone for the perfect pour


Steve writes in -

Serv O'Beer is a project showing you step by step how to turn a bottle of beer using Construx, servo, and an ioBridge module. The system uses the accelerometer feedback to turn the servo controlling the position of the bottle. Enjoy the perfect pour while taking out all of the physically demanding work. Happy New Year and Cheers!


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Interactive gaming with an Arduino


This is a really cool game demo by Lok Neville Lee that uses an Arduino, accelerometer, and Papervision3D to interact with the character on the computer. The graphics look great, and the controls are awesome. I really hope more games are in the works!

More about Interactive gaming with an Arduino

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Make a little chair out of a champagne cork holder

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Super cute! Make a little chair out of a champagne cork holder via Lifehacker. Dot writes-

This is a fun and easy thing to do with those little wire pieces that hold in a champagne cork. And with New Years Eve coming up, you know we'll have a few of those lying around!

The resulting tiny chair makes a cute little christmas ornament, or dollhouse furniture, or just an interesting little nicknack! And a neat way to save a momento from an important bottle of champagne (like from a wedding, hot date, or special event)

This is very easy, and some would say obvious, but when I first saw this done I thought it was so cool. And I figured you guys would too !
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Santa Cruz's DIY Parade

Santa Cruz, CA has its very own DIY parade tonight. Several years ago, when the town's First Night organization could not raise the funds for a formal celebration, this DIY parade emerged as its replacement.

Now, the annual New Year's Eve, Do-It-Yourself Parade has become a regular affair in its own right, inspiring school girls and square dancers, flame throwers, trash-orchestra members and many, many people dressed in illuminated lights and wires to saunter from Laurel to Water streets to ring in the New Year.

All anyone needs to do to join the parade is show up.

from Santa Cruz Sentinel report.

The parade starts at 5:30 pm. If you're in Santa Cruz or going there for the parade, take some pictures and tell us about it. Read more | Permalink | Comments | Read more articles in DIY Projects | Digg this!

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How to roll your own Mac for under $240

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How to roll your own Mac for under $240 via HAD. The useless ninja writes -

MSI is a company known mostly for its PC components. They recently jumped into the netbook bandwagon with just about every other major pc manufacturer. Their Eee like machine, the MSI Wind, ended up being an extremely popular little laptop. Along with the laptop they made a not too well known desktop with roughly the same dimensions as a ream of printer paper.

The MSI Wind PC is a great computer; I have three of them. It comes with a 1.6GHz Intel atom CPU, two SATA connections for 3.5" and 5.25" bays and 6 USB ports. You can pick a barebones one, requiring ram, a hard drive and possibly DVD drive, for $140 or so..
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Mixing clay plaster and lime paint

Here's a brief, introductory video on how to make your own clay plaster and lime paint from skilled cob builders who have written a step-by-step book on building with cob:

(Via Chelsea Green)

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Make: television -- pole camera rig

camRig.jpg

Another in my continuing series of behind the scenes photos from the Make: television set. This is the tilt and shoot rig we built for the pole camera. We mounted it on top of a very long pole and used a remote control and two servos to take photos. You can see next to the rig a piece of paper with every single screw, nut, washer, bolt, drill bit, etc. taped to it, along with annotations. Bill Gurstelle created this prop sheet so that I had all the parts to build it on-camera.

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Book Review: Show Me How

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Show Me How: 500 Things You Should Know
Derek Fagerstrom, Lauren Smith & the Show Me Team
Collins Design, $24.95

I wanted to like this book more than I did. Don't get me wrong, overall, it's pretty darn cool. I'm a big fan of both creative information design and comics, and the two forms are used here to fairly impressive effect. It's just that, trying to present 500 different how-tos, on a staggering number of subjects, almost exclusively in graphical form, is a tall order. I give the authors A+ for effort, but in many cases, a B- in effectively communicating the information required. These are, after all "how-tos," and if they don't effectively communicate how to accomplish the task at hand, they fall short.

As a test, I looked up anything I already knew something about. In almost every instance, I found that what was presented landed just shy of communicating the essentials of what one would need to know to satisfyingly complete the project. For instance, for the "Pulling a Perfect Espresso Shot" how-to, it doesn't say anything about the amount of pressure to apply to the pellet in the porta-filter (extremely important in getting a "perfect" shot) and it uses time (25 seconds) to determine when the shot is pulled, rather than color (which is a far more relevant determinant).

Where this book excels is in giving you an overview of a subject, say wine basics, or basic style tips (for men: how to shine shoes, look dapper in a tie, understand suit fabrics, etc), how to identify cuts of meat -- that sort of thing. Also, the more whimsical entries are fun, like how to make a clandestine sidewalk graffiti painter, how to mount an elephant or a camel, how to make a voodoo doll.

I also found the book generally inspiring, the sense of activity and creativity that it encodes, and the colorful and fun way that it attempts to convey the excitement of making things. If nothing else, this book is a great overview, a survey, of things you should know how to do and some things you might want to do just for fun, and after you've been introduced to them here, you can hone your skills elsewhere, with stuff you can find online, for instance.

The greatest reason to recommend this book is its cover price. It retails for $25 and is only $16.50 on Amazon. It's a handsomely-designed, full-color, 320-page tome, for less than a Yuppie Food Coupon. For a bargain like that, how can you afford NOT to have it handy in the outhouse?

Show Me How: 500 Things You Should Know

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Rubik's Cube mosaic puzzle

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Mad Maxine sent in this amazing Rubik's Cube puzzle, for the truly dedicated cube solver. You could glue it together if you wanted a permanent installation for an art piece or tabletop.

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Situational awareness mast "Zippermast"


Make Pt1553
Wow, the situational awareness mast "Zippermast" from Geosystems is very clever! via Hizook.

The situational awareness mast (or Zippermast) from Geosystems Inc. is a telescoping linear actuator that can vertically translate a robot's sensor suite for better visibility. In this video, a Zippermast is affixed to an I-Robot Packbot...

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Screw heads demystified

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We can thank instructables user arcticpenguin for this excellent explanation of cross-head, cross-point, cruciform, and square drive screws and drivers!

These screw types have a "+" shaped recess on the head and are driven by a cross-head screwdriver, designed originally for use with mass-production mechanical screwing machines. There are a few other recessed drive screws presented that you also want to be aware. So, why all the confusion? Why all the damaged screw heads and drivers? Why is this screw and driver thing so awkward? Read on and be amazed while I unravel the mystery of screw drives and present some you may have never seen.

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Power Pack - Generating power with the motion of a back pack

MOE_powerpack

Finally, you can recharge your iPod with Clif bars. When the military needed to recharge batteries on the move, they turned to University of Pennsylvania professor Larry Rome, an expert in muscle power and, it turns out, a capable inventor. His solution the world's first electricity-generating backpack Rome, who studies fish muscles, says the idea struck him in a Navy meeting. US troops were lugging 50-pound packs, including 20 pounds of batteries for high-tech gadgets. The brass wanted to use muscle power to generate electric power, but the best existing technology was shoe generators, straight out of Get Smart. I said, "That's a terrible idea," recalls Rome. "The force of the heel strike is only over a couple millimeters. The right way became obvious: with every step, these guys are lifting 80 pounds 5 to 7 centimeters - that's potentially 36 watts of mechanical energy." To turn his brainstorm into hardware, Rome grabbed an old external-frame backpack from college days and called his lab's "very line machinist" Fred Letterio. In their basement shop full of mills and lathes, the two added springs to suspend the cargo compartment from the pack frame. As the wearer's stride raises and lowers the pack. the load slides up and down. driving vertical rods to spin a geared DC servomotor up to 5.000 rpm to generate electricity.

With a 40-80 pound load. Rome's pack generates 7 watts, plenty of juice to simultaneously power a two-way radio, GPS receiver, and night vision goggles (or cellphone, PDA, digital camera, and iPod). The load can be locked for stability on sketchy terrain, and then unlocked to generate power again. Ultimately, the generator pack (patent pending) will weigh just a couple pounds more than a regular backpack. Carrying it burns 3% more energy, but wearers say it's more comfortable, and the extra work costs only a couple of extra candy bars. ("Food is 100 times more efficient than batteries.") Green bonus: the technology could keep tons of toxic batteries out of landfills.

>> Lightning Packs lightningpacks.com

From the column Made on Earth - MAKE 5, page 20 - Keight Hammond.

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Make a cheap perpetual calendar

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Evil Mad Scientist Laboratories - Cheap Perpetual Calendar...

A quick, handy, geeky, and seriously inexpensive perpetual calendar for your desk.
Got 12 cents and a scrap of cardboard? You're good to go!


Cut twelve slits, stick in your pennies, and... here it is, all built...
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Side steering car

Make Pt1550
Side steering car... Modern Mechanix, 1932.

FORDS have been forced to do strange things in the past, but the honors for odd performances to date go to a machine, built by a Pontiac, Mich., mechanic, which can move sideways at an angle of 65 degrees, and thus make parking an extremely simple matter.

As demonstrated in the photo above, the machine has each of its wheels mounted on a steering hub, so that a turn of the steering mechanism operates all four wheels.


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Mario inspired flowerpots ready to bloom

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These two Super Mario Bros-inspired flower pots bring back the 8 bit graphics found in that game to your private garden or home. Pretty cool idea to integrate the old school graphics into modern living. Just don't try to head-butt them like Mario used to do.

via FFFFOUND! and via Blade Diary

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Behold ... the Rusty Growler!

Rustygrowler
From the MAKE: Flickr pool

Tremble at the feet of Rusty Sheriff's mighty "555 astable tone generator with tuned keys" - sporting a big ol' 8" woofer and a laser-cut case. No performance samples to be found but the name/design alone is satisfying enough - Rusty Growler

Please, share pics of your awesome works in the Make: Flickr pool - we love this stuff!

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A lightbox built with love

Sadlightbox

My pick for best gift of '08, Boris writes -

My sister suffers from seasonal affective disorder, also known as winter depression. A commonly prescribed therapy is light therapy - about thirty minutes of bright light in the morning. Bright in this context means more than 10 000 Lumens. You can of course buy commercial light-boxes, but I wanted to construct one by myself...
What a good brother, truly heartwarming. He even cared enough to share his build process ;)

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The day the ZUNE stood still

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Wow, this is crazy - a few folks emailed us and said all the 30GB ZUNEs in the world all stopped working at the same time (today) it seems that there might be some type of date bug with them (Z2K9)? Some folks are reporting that taking their ZUNE apart and unplugging the battery and re-plugging it in works, but it's a bit unclear what's going on.

ZUNE meltdown.
ZUNE frozen.
Z30s frozen.

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Pedal power to light up Times Square New Year sign

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Pedal power to light up Times Square New Year sign...

The ritual dropping of the ball in New York's Times Square on New Year's eve, seen on television by millions around the world, is becoming a bit greener than in years past.

The 2-0-0-9 sign that will light up when the New Year's ball finishes its descent will be powered by batteries charged by people pedaling on bicycles.

"This is our way of involving consumers in the whole process of powering the 2009 lighting when the ball drops on New Year's Eve," said Kurt Iverson, spokesman for Duracell, a unit of Procter & Gamble Co and which supplied the batteries.

Duracell has set up a "power lodge" in Times Square where visitors are ushered to a row of bicycles with generators connected to a set of massive batteries.

So far the project has collected 95 hours of pedal power, or about 35 percent of the total needed, Iverson told Reuters.

The power is generated from old-fashioned rotary technology -- pedal power and spinning wheels.
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PHILIPS LIGHTING provided the new solid state lighting technology for the Ball, resulting in an astounding increase in impact, energy efficiency, and color capabilities. Capable of creating a palette of more than 16 million colors and billions of possible patterns, the 32,256 Philips Luxeon LEDs in this year's Ball represent more than three times the number of LEDS used last year, to deliver a brighter and more beautiful New Year's experience than ever before. And this year's Ball is 10-20% more energy efficient than last year's already energy-efficient Ball, consuming only the same amount of energy per hour as it would take to operate two traditional home ovens.

More:
New Year's eve ball.
Ringing In 2009 with People Power.

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iPhone 3G software unlock

The friendly iPhone Dev Team hackers have been hard at work over the holidays and have promised to release the iPhone 3G software unlocking utility, called yellowsn0w, sometime tomorrow for New Year's Eve.

A few details from the iPhone Dev Team blog:

We have been working hard on a few other things. The main one being the 3G unlock codenamed "yellowsn0w". This is now completed and is currently being packaged into a user-friendly application with the simplicity that you see in QuickPwn or BootNeuter.
  • The target release date for the unlock is New Year's Eve 2008.
  • This unlock method is available to iPhone 3Gs that have 2.11.07 baseband or earlier, we did warn you.
  • You can tell what version baseband you have by going to Settings->General->About->Modem Firmware
  • The unlock requires a jailbroken 3G iPhone. It'll be installable via Cydia and so it doesn't matter if you have a Mac or PC.
  • Please refrain from updating your baseband, regardless of what version you're at.
  • We'll have complete directions on New Year's Eve.
  • We'll stream a live demo of the unlock before Christmas (see the update at the end of this post)

The software exists, as you can see from the video above, which was released last week, so I'm pretty confident we'll see the release as promised. From what I understand, the software is non-invasive and needs to be run every time the phone is booted, which will be executed during boot and invisible to the end user.

You do need an un-upgraded <2.11.07 version of the baseband, and for the near future you'll have to be careful not to upgrade it if you want to keep your phone unlockable. If you want to upgrade your phone but not kill the possibility of unlocking it, the team has some information on using PwnageTool to upgrade the iPhone firmware while keeping the baseband firmware intact. If you've already updated your baseband, consider yourself stuck with AT&Tuntil a new hack comes along.

Dev Team Blog (watch here for updates)
Original yellowsn0w Announcement
yellowsn0w Preview Demo

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