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In 2000, one of Europe’s largest rubber-stamp companies approached Alex Breton, an engineer from Stockholm, Sweden, for product ideas. Instead of dreaming up a new stamp, he designed the PrintBrush, an 8.8-ounce handheld gadget that uses inkjets, computer-mouse-like optics and navigation software to print uploaded images and text on any flat surface, including paper, plastic, wood and even fabric.

Conventional printers move paper through the machine in large part because it’s the only way to accurately track the position of the page relative to the print head. With such constraints, Breton realized, a printer could never be narrower than its paper—unless the inkjets had an entirely new way to navigate across the page.

That’s the allure of the PrintBrush. The device operates more like a computer mouse than a printer. Laser sensors, originally developed by Philips, track the printer’s movement and pinpoint its position. The sensors continuously emit infrared laser beams toward the paper’s surface as the user moves the device over it. They then measure the scattering of the reflected beams, which—along with the beams’ power fluctuations—determines the device’s velocity and direction of motion. Even small amounts of reflected laser light are enough to track motion, so the lasers work on almost any type of surface.

How It Works: PrintBrush

As the user slides the printbrush across a sheet of paper, optical sensors track the velocity and direction of the printer relative to the page. a controller matches the location coordinates to a pixel map of the document or image and runs algorithms to predict which pixel to print next.

It took less than two years to develop the first prototype but nearly a decade more to get it right. With each new version, Breton and the team of optics engineers and other experts he recruited refined the navigation system, most recently replacing LED-based sensors with the lasers. They also added color, which required writing a set of algorithms to quickly formulate the ink combinations needed to produce the appearance of 16 million different shades.

By early next year, a PrintBrush with a built-in camera for instant photo printing will hit the market and officially claim the title of world’s smallest printer. Breton will release an even smaller model, the A4, shortly thereafter.

Cost: $10 million

Inventions of the Year

You're reading 2011 Invention Awards: A Magic Wand For Printing

Invention Awards A Big Ball Of Connectivity

by John B. Carnett

FIELD ARRAY Paul Gierow stands among his inflatable satellite antennas, which can be used alone or in groups for a stronger signal.

_How do you prevent insurgents from shooting down choppers? How do you keep a cast from itching? How do you reinvent the brick? You sketch. And then you work: nights, weekends–for years, if you have to. You blow all your money, then beg for more. You build prototypes, and when they fail, you build more. Why? Because inventing is about solving problems, and not stopping until your solution becomes real.

This week, we begin rolling out the winners of the 2007_ PopSci_ Invention Awards. We’ll be doling out a new innovation each day for the next few weeks, so keep checking back for more of what the world’s brightest inventors are currently cooking up. And if you just can’t wait, pick up a copy of the June issue that just hit the stands.-Eds.

Name: GATR-Com**

****Inventor:** Paul Gierow **

Cost to Develop:** $1.5 million

Time: 5 years


No, it’s not a giant beach ball. It’s an ultralight, ultraportable antenna tucked inside an inflatable shell that can pull down a superfast broadband satellite connection at any location. The GATR-Com is designed for disaster-relief responders, far-flung video producers and front-line troops-anyone whose job (or life) depends on getting digital information-video, Internet, calls-in and out of remote places.

“You just can’t do effective disaster relief without decent satellite communications,” says Eric Rasmussen, a U.S. Navy physician and commander whose relief experience includes the Indonesian tsunami of 2004 and the aftermath of battles in Bosnia and Iraq. “But when the mud is two feet deep, if you can’t pack a dish on your back or drop it out of a plane, it’s not going to get there.”

The GATR-Com (an acronym for “ground antenna transmit and receive”) system, complete with electronics and tethering gear, weighs less than 70 pounds and fits easily into two backpacks. It can be powered by a car’s cigarette lighter or a small generator. There’s nothing else like it that’s this small or rugged.

The GATR-Com is the brainchild of engineer Paul Gierow, who spent 20 years developing large deployable space antennas for NASA. Gierow realized that the need for a highly portable antenna is just as relevant on Earth as it is in space-especially considering the earthly inevitabilities of gravity, mud and sky-high air-freight costs.

The antenna is made of a flexible, high-strength plastic lined with conductive mesh inside a large (six- or eight-foot) sphere constructed of a material similar to that used for racing sails. A valve from a small compressor directs slightly more air pressure to one side of the antenna, giving it a parabolic shape. At first, Gierow and his business partner, William R. Clayton, worried that an inflatable sphere might just blow away. But the GATR-Com’s spherical shape actually deflects air twice as efficiently as rigid disks do and protects the internal antenna’s shape from being distorted by gusts.

“The idea itself is actually fairly simple,” Gierow says. “The trick was to come up with a way to tie it down, target it [to a satellite] to one tenth of a degree, and keep it stable.” Backed by research grants from the Air Force and Darpa, the Pentagon’s R&D branch, Gierow refined his invention for nearly three years before he got up the nerve to quit his job as vice president of NASA contractor SRS Technologies and bet his livelihood on his creation.

The next day, Hurricane Katrina gave him a perfect opportunity to prove the device worked in the real world. Gierow drove from where he lives near Decatur, Alabama, to Biloxi, Mississippi, and set up his prototype at a Red Cross shelter. For two weeks, the system served as an electronic lifeline to the outside world. “One lady had just had an organ transplant, and she didn’t have her anti-rejection medication,” Gierow recalls. “We were able to get in touch with a pharmacist [about four hours north of Biloxi], and he drove it to us.”

Gierow’s improvised effort caught the attention of the organizers of Strong Angel III, a disaster-relief simulation led by Rasmussen. Held last August in San Diego, the six-day event brought together teams from the Pentagon, relief agencies and high-tech companies. The mission: to field-test new technologies and tools that could be used to respond to natural disasters, epidemics or terrorist attacks.

“They were the only ones who walked in carrying their gear,” Rasmussen says of Gierow’s team. “At first look, the device incited snickers. But they pulled it out of the backpack, inflated it, and tethered it-and in 15 minutes, we had a rock-solid satellite signal. This is a technology that could give us a huge increase in our capabilities.”

The GATR-Com’s $50,000 price tag makes it an unlikely accessory for most solo travelers. But its cost is far less than that of other remote-deployable satellite antennas, not to mention the savings it provides in transportation costs.

With inquiries from a wide range of potential clients, Gierow regularly puts in 70-hour workweeks in his warehouse office/lab. But last summer he managed to take a week off to bring his family to the beach. Not surprisingly, the antenna came too. “I was the nerd on the beach with the really big ball,” Gierow says, “and the T1 connection.”

More Invention Awards:

A Six Strokes of Genius – An engine that uses steam to squeeze more miles from gas

A Chopper Shield – Catches helicopter-bound grenades with a net made of Kevlar and steel

A Big Ball of Connectivity – An antenna that blows up like a balloon brings satellite communications anywhere, anytime.

The New Velcro – A stronger, better grip without the incessant ripping sound. Has a long-standing dream finally been realized?

A New Breed of Mouse – Give your mouse the finger to control your computer in three dimensions

The Flying Belt – Rappel up a wall at an astonishing 10 feet per second with the Atlas Powered Rope Ascender

Qualcomm Makes A Slew Of Announcements At Mwc 2011

Qualcomm Makes a Slew of Announcements at MWC 2011

SlashGear is live at MWC 2011 in Barcelona, where Qualcomm just released a series of announcements about new product releases, including Quad-Core Snapdragon for Next-Gen Tablets, Next-generation Snapdragon Mobile Chipset, Commercial Availability of Gobi3000 Modules, Chipset with Support for Next-generation Release 9 HSPA+, New, Higher Speed LTE Devices, Netflix streaming on Android devices and much more. Continue after the cut to see the whole slew…Quad-Core Snapdragon for Next Generation Tablets and Computing Devices

The APQ8064 chipset has been designed to meet the requirements of next generation tablets with 28nm micro-architechture, redefining performance and achieving speeds of up to 2.5GHz per core. It also minimizes power consumption and heat generation, allowing for new, thin and light form factors.

Qualcomm Announces Next-generation Snapdragon Mobile Chipset Family

The new processor micro-architecture in the next-generation Snapdragon will redefine performance for the industry, offering speeds of up to 2.5GHz per core and delivering 150% higher overall performance, as well as 65 percent lower power than currently available ARM-based CPU cores. These chipsets will be available in single-, dual- and quad-core versions and include a new Adreno GPU series with up to four 3D cores, as well as an integrated multi-mode LTE modem.

Qualcomm’s Snapdragon Platform to Help Enable Instant Streaming from Netflix on Android Devices

Android devices powered by the Snapdragon platform will now have access to instant streaming of TV shows and movies from Netflix. Snapdragon processors are designed to deliver dynamic performance and media protection features in a turnkey package, allowing the devices they power to more easily pass through the approval process required for Netflix certification. Netflix video decoding is handled by highly efficient dedicated hardware, extending battery life and improving picture quality.

Qualcomm Announces Commercial Availability of Gobi3000 Modules

The next-generation embedded Gobi3000 certified reference design provides a combination of performance and flexibility enhancements, extending wireless leadership to multiple forms of connected devices. Gobi3000-based modules are now available from Huawei, Novatel Wireless, Option, Sierra Wireless and ZTE.

Qualcomm Announces Chipset with Support for Next-generation Release 9 HSPA+

The new Mobile Data Modem (MDM) will support HSPA+ Release 9, the latest version of the popular mobile broadband standard, which incorporates technology enhancements that help the chipset deliver data rates of up to 84 Mbps on the downlink. The MDM8225 will be fabricated using the 28nm technology node.

Qualcomm Delivers a Faster Mobile Broadband Experience with New, Higher Speed LTE Devices

The new Mobile Data Modem (MDM) chipsets, the MDM9625 and MDM9225, will support the LTE FDD and LTE TDD UE Category 4 mobile broadband standards, which offer peak downlink data rates of up to 150 Mbps. The chipsets also are backwards compatible with previous generations of LTE and other wireless broadband standards, giving consumers an uninterrupted broadband data connection on nearly any network around the world. The chipsets will be fabricated using the 28nm technology node.

Qualcomm Introduces 28nm Mass Market LTE/DC-HSPA+ Chipsets for Mobile Broadband Products

The new chipsets are anticipated to further drive broadband data products into the mass market on 3G and 4G networks, worldwide. The next generation MDM9615 will support LTE (FDD and TDD), DC-HSPA+, EV-DO Rev-B and TD-SCDMA, while the MDM8215 will support DC-HSPA+.

Qualcomm Demonstrates New Telematics Solutions for the Insurance Market and Commercial Fleet Industry

The new insurance telematics and driver safety solution for the automobile insurance market and commercial fleet industry provides in-vehicle connectivity for real-time driver feedback and actionable reporting to improve safety. It is now commercially available for the auto insurance market and will be released for commercial fleets in June 2011.

Xiam Recommendations Technology to Help Power Telefónica’s Personalized Customer Experiences

The integration of Xiam’s recommendation technology into Telefónica’s multi-channel touch points will enable Telefónica to provide its customers with content, services and offers uniquely tailored to their individual needs and interests across all of their connected devices. By identifying relevant and interesting content, Xiam’s technology will help Telefónica address the needs of their more than 300 million subscribers across Europe and Latin America.

8 Best 3D Printers For Printing Miniatures And Tabletop Models

With the development of new technologies, 3D printing has become accessible to everyone. There are various industries from medicine to engineering where 3D printers are becoming standard tools. But gamers also enjoy making their own miniature models for tabletop games such as DnD or Warhammer 40K. You can easily use 3D printers to make models of characters and monsters for your favorite games.

Miniatures are highly detailed representations of creatures and characters. Modern 3D printers can now produce minute detail such as a dragon’s scales or dents in armor. Here are the best 3D printers for printing miniatures and tabletop models.

Table of Contents

Resin Printers vs. Filament Printers

Not all 3D printers can produce the high level of detail needed for miniatures. Also, it’s important to understand the differences between resin and filament (FDM) printers.

Essentially there are two consumer-grade types of 3D printers. The first type is Fused Deposit Modeling or FDM printer. This type of printer melts the plastic and places it in layers to create a 3D object. The second type, stereolithography or SLA 3D printers, uses UV light to harden liquid resin to form the object.

The problem with filament printers is that melted plastic leaves visible layers and it is incapable of achieving great details, minus a few exceptions. Resin is overall better for miniatures and figurines because it can capture the tiniest details.

That said, FDM printers still have uses in the world of miniatures. They print much faster and the material is cheaper than resin. Filament printers are better for creating terrain and large models of buildings, mountains, castles, and many other items used in tabletop games.

Although resin printers are much better at creating miniatures, they have their own set of pitfalls. Resin is toxic, and you will need a well-ventilated space in which to work. You will also have to wear gloves and a mask as a precaution because ventilation itself is not enough. Besides this, SLA printers are much slower than the FDM ones, and your operating costs will be somewhat higher.

What to Look for in 3D Printers for Miniatures and Tabletop Models

The most important factor that determines the visual quality of the print is resolution. But the resolution of 3D printers is different from display resolution. It is measured in microns and tells you the smallest possible motion a print head can make while printing a layer.

There are two resolution measurements in 3D printers: XY plane and Z-axis. XY-plane resolution measures the dimensions of a 2D planar print or the layer height, while the Z-axis is the thickness of a printed layer. Quality miniatures for tabletop games demand a resolution of at least 50 microns, but the latest printers like the Saturn 2 can achieve a fine resolution of 28.5 microns.

The next thing you should look for in 3D printers is the build volume. It will tell you how big your miniatures can be. You need to think about what you wish to create in the future. Will you restrict yourself to miniatures only, or will you want to print larger models? 3D printers will require maintenance, and you should also research how easy to use they are. Choose one that suits all your needs as best as possible.

1. Anycubic Photon Mono 4K – Best for Beginners

This 3D printer uses an LCD screen to cast UV light on the resin. This makes the printing time very short, around 1 to 2 seconds for each layer. But Anycubic Photon Mono has a very limited build volume that will restrict the size of your miniatures and models. You won’t be able to print in heights above 6.5 inches (165mm). This is a good enough size for regular DnD miniatures, but figurines or buildings are out of the question.

2. Anycubic Photon Mono X – Best for Speed

This 3D printer from Anycubic is designed for large-scale prints. It is a resin printer with an LCD screen that is capable of achieving a printing speed of 60mm/hour. Besides the impressive speed, Mono X can print large-scale 3D models as it has a build volume of 192 x 120 x 245mm.

Anycubic Photon Mono X has an XY resolution of 50 microns, and a Z-axis resolution of 10 micrometers. This enables it to print fine details at a high speed. It is equipped with a touch screen user interface, and it can be controlled from your iPhone or Android device with the Anycubic app.

3. Phrozen Sonic Mini 4K – Best Mid-Range Printer

More expensive than the Anycubic Photon Mono, Phrozen Sonic Mini 4K offers similar specs. It can print miniatures up to 6.5 inches high and It also uses a monochrome LCD to cast UV light to harden the resin.

However, what makes Phrozen Sonic Mini 4K a better choice for printing miniatures is its XY resolution. It stands at 35 microns, which enables this 3D printer to create high details, even on small miniatures of only 28 mm. Its z-axis resolution is also impressive at 0.01mm.

4. Phrozen Sonic XL 4K – Best for High Precision

Phrozen Sonic XL 4K has a Dental Synergy slicer and software designed for ease of use. Other 3D resin printers on this list have a simple USB or Ethernet connectivity, but Sonic XL additionally provides you with microSD and Wi-Fi connection. This 3D printer is amazing in bringing out all the details in your miniatures, and it will bring your DnD or tabletop games to a new level.

5. Elegoo Mars 2 Pro – Best Budget Printer

Elegoo Mars 2 Pro can cost as low as $180 but its print quality is high. It is also impressively fast with printing a layer in 2 seconds. It has a mono LCD of only 2K resolution, but this is more than enough for a small build platform of 129×80 mm.

Mars 2 Pro can handle intricate details very well due to its XY resolution of 50 microns, and Z-axis accuracy of 0.00125mm. For such a small and low-cost 3D printing machine, Elegoo Mars 2 Pro has some luxurious features such as an in-built air system and touch screen controls. It also comes with a CHITUBOX slicer and tools that can hollow out the 3D models before printing. This will greatly save the printing material.

6. Elegoo Saturn 2 – Best for Going Big

If you want to print bigger miniatures of monsters or your favorite game characters, you have two options. Either use 3D printers with smaller build volumes and glue the pieces together or use Elegoo Saturn 2 to print them in one piece. The second option is always better as you won’t risk the glued parts falling off or warping over time.

Elegoo Saturn 2 has a fine XY resolution of 28 microns and a Z-axis resolution of 0.01mm. But its most impressive feature is its large print volume of 218.88×123.12×250 mm. You can use it to either print one big piece, or to print a batch of multiple miniatures in one go.

7. Creality Ender 3 V2 – Best for Printing Terrain

Creality is a producer of consumer 3D printers, and their Ender 3 Pro is a filament printer with a 220x220x250 mm build volume. It has many new built-in features that were lacking on previous Ender 3 models.

Among them are color LCD, silent mainboard, tool drawer, and many more. You can use Ender 3 V2 to print wargames miniatures, but you will have to sand them to get rid of the layer lines. But this 3D printer excels when it comes to printing terrain due to the high precision level and low price of the plastic.

The precision of Ender 3 V2 is high for an FMD printer. The resolution of both the XY plane and the Z-axis is 0.1mm. This is not an impressive number when compared to SLM printers designed for creating detailed miniatures, but it is a good value for a filament printer, especially of such a small size.

8. Raise3D E2 – Best for Variety of Materials

Raise3D E2 is a 3D filament printer with Independent Dual Extrusion (IDEX). It can print in a duplicate or mirror mode. It has a flexible heated printing bed which makes E2 an ideal machine for printing with different materials. That means that you can create miniatures and terrain not only from plastic but also from carbon fiber, glass fiber, metal, or wood fill. Impressive!

The E2 3D printer has a large build volume of 330x240x240mm, ideal for terrain and buildings for tabletop games. It has a video offset calibration system for the build plate and easy-to-use software. However, this is a professional 3D printer and its price reflects this. Aside from the high price, the only other downfall of this machine is that it requires thorough cleaning that will take a lot of time.

How To Use Appleā€™s Magic Keyboard For Ipad

Apple’s Magic Keyboard is a pricey accessory – but a highly usable one. Just like the company’s commercials say, it can genuinely transform your iPad into a laptop-like device. However, even though it looks simple, this keyboard comes with a bit of a learning curve. Let’s talk about how to use Apple’s Magic Keyboard for iPad.

First, let’s give a quick overview of what you need to use the Magic Keyboard. Keep in mind that Apple’s Magic Keyboard comes in two sizes: 11-inch and 12.9-inch. That makes it compatible with an iPad Pro 12.9-inch (3rd and 4th-generation), iPad Pro 11-inch (1st and 2nd-generation), and iPad Air (4th-generation). Aside from that, your tablet must run iPadOS 13.4 or newer.

How to Connect the Magic Keyboard to Your iPad (Pro & Air)?

The Magic Keyboard comes with a keyboard on one end, which is connected to its lid via a sturdy hinge. That lid, even though it’s very slim and light, comes with magnets embedded throughout its body, keeping your iPad firmly attached.

That also means that your iPad’s bottom side will “float” a bit, creating very modern and new-age aesthetics. Don’t worry – your iPad will be incredibly firmly connected to the Magic Keyboard with very little space to move. To learn more about its design, make sure to read our hands-on Magic Keyboard review.

The Essential Magic Keyboard Shortcuts

If you have a Mac, you already know plenty of helpful keyboard shortcuts. However, to help you get started in no time, we’ll explain some of those – which you can find just below.

Command + H: Return to your iPad’s Home screen. 

Command + Space Bar: Activate iPadOS’ search. Type anything and then move through the search results using the Arrow keys. Press Enter to select.

Command + Tab: Switch to the most recently used app. You can also hold down the Command key and press Tab to switch between multiple apps.

Command + Shift + 3: Take a screenshot. 

Command + Shift + 4: Take a screenshot and open the Markup tool, letting you edit your photo and save it locally to your tablet (or share it with someone). 

Command + Option + D: Hide or show the Dock. 

How to Change and Customize Keyboard Shortcuts

At any moment, you are free to customize and even unlock new shortcuts, which will most definitely come in handy. With that said, here’s how to assign key combinations to specific actions.

1. Open the Settings app, then tap on “Accessibility.”

2. Scroll a bit down and tap on “Keyboard” (a grey-colored icon).

3. Tap on “Full Keyboard Access” and enable this option. 

4. Tap on “Commands” and select any command to edit it.

5. Press a custom key combination to assign it. 

6. Select Done.

Check These Essential Magic Keyboard Gestures

It’s time to talk about this product’s true power, and yes – we’re talking about gestures (as the Magic Keyboard comes with a trackpad as well). So, here are some of the most helpful trackpad gestures.

Wrapping Up

Those are the essentials on how to use Apple’s Magic Keyboard with your iPad. In case you’re still not convinced whether the Magic Keyboard is the right choice for you, check our overview of the best alternatives to Apple’s Magic Keyboard.

Isaac Norman

Isaac is a freelance writer with over a decade of experience covering the latest technological innovations. Mainly focused on Apple-related software and hardware systems, his aspiration is to explore all the ways today’s digital world intertwines with our everyday life.

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How To Disable Multitouch On Magic Mouse For Mac

The Mac Magic Mouse with multi-touch is fantastic for many users, allowing you to swipe and scroll around through documents by touch alone, but some people may find that they accidentally trigger touch gestures or other scrolling behavior they don’t want. This happens more often than you might think, particularly for people who have come to the Mac from a platform without multitouch. Thus, some users may just want a Magic Mouse to work like a generic mouse, without any multitouch scrolling behavior, instead just moving the cursor on screen without any touch responsive multitouch gestures being activated.

While you can toggle some Magic Mouse settings and gestures off and on within the “Mouse” System Preferences, if you want to go further and turn off multitouch you’ll need to turn to the command line of Mac OS. With Terminal, you can disable multi-touch on the Magic Mouse, this will stop momentum scrolling, stop all horizontal scrolling, and stop all vertical scrolling capabilities too. Yes, that means the two-finger scroll in all directions.

This tutorial will show you who to disable multitouch on Magic Mouse, and also how to re-enable multitouch on a Magic Mouse again if you change your mind and want the scrolling abilities back again.

How to Turn Off Multitouch on a Mac Magic Mouse

Note this will prevent all multitouch scrolling capabilities from working on the Magic Mouse and from being activated at all, whether intentionally or unintentionally. Only issue these commands if you want no scrolling capabilities or multitouch capabilities on the Magic Mouse at all.

Open the Terminal and enter the following commands into the terminal:

defaults write MouseMomentumScroll -bool NO;

defaults write MouseHorizontalScroll -bool NO;

defaults write MouseVerticalScroll -bool NO;

defaults write MouseMomentumScroll -bool NO;

defaults write MouseHorizontalScroll -bool NO;

defaults write MouseVerticalScroll -bool NO;

Hit Return to execute the commands, each command must run separately for changes to take effect

When finished running all six commands, reboot the Mac by going to the  Apple menu and choosing “Restart”

When the Mac boots back up, the Magic Mouse multitouch scrolling capabilities will be disabled and instead the mouse will behave more like a typical mouse without any multitouch.

If you have any difficulty getting the commands to work with copy and paste, run them each independently, putting one by one each on their own command line, hitting return, and then issuing the next command.

How to Re-Enable Multitouch on Magic Mouse for Mac

Return to the Terminal app (found in /Applications/Utilities/) and enter the following commands, you will notice the only command difference is the “NO” boolean in the defaults string has been changed to YES:

defaults write MouseMomentumScroll -bool YES;

defaults write MouseHorizontalScroll -bool YES;

defaults write MouseVerticalScroll -bool YES;

defaults write MouseMomentumScroll -bool YES;

defaults write MouseHorizontalScroll -bool YES;

defaults write MouseVerticalScroll -bool YES;

Again execute each command and reboot the Mac to regain multitouch capabilities.

Another option is to use a third party app like BetterTouchTool or MagicPrefs, which allows you to disable and enable specific gestures and Magic Mouse abilities through a little control panel like Mac app too.


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