Archives: ‘Sci/Tech’ Category

Fitness machines with finger vein readers

19 Feb 2008

medimo --

In recent years, Hitachi's finger vein authentication technology, which identifies individuals by the unique pattern of blood vessels inside their fingers, has helped beef up the security of devices ranging from ATMs and cardless payment systems to computers and automobile ignition systems. Now this biometric technology is heading to the gym.

IT company Fukui Computer has unveiled a new line of networked exercise machines, called "medimo," that are equipped with Hitachi finger vein readers. When users identify themselves with a simple press of the finger, the machines respond by automatically adjusting the weight resistance and seat position based on the user's previously set preferences.

The machines also connect to a remote server to retrieve the user's personal exercise data -- including previous exercise records and stats, training regimens and calorie consumption data -- which shows up on a touch-screen display. Users can then do their workouts based on this data, which is updated each time a machine is used, or personal trainers can refer to it when providing exercise advice.

Fukui, who unveiled the 12 new medimo machines on February 18, plans to begin selling them on April 1 for about 1.8 million yen ($17,000) each. The company is targeting fitness gyms, hospitals and welfare facilities, and is expecting to sell 2,000 machines over the next 3 years.

[Source: IT Media]

Ippon Zuri: Catch-and-eat fishing by phone

13 Feb 2008

Ippon Zuri fishing game -- For mobile gamers in western Japan, a hearty seafood dinner awaits just a few key clicks away, thanks to a unique new cellphone fishing game that rewards successful players with home deliveries of fresh, real-world fish.

The game -- called "Ippon Zuri" (which means "pole-and-line fishing") -- was created by FIT, a Fukuoka-based system development company who teamed up with a local seafood wholesaler. Game play is simple: players use the phone keys to cast bait to promising-looking fish in the game's virtual waters, which include sea bream, crab, and other seasonal fish. When a fish takes the bait, the player is sent to a slot machine screen where, if luck prevails and 3 numbers line up appropriately, the virtual fish is hooked and reeled in. A message is then relayed to the wholesaler, who picks up the real-world equivalent from the local seafood market and delivers it, whole and raw, to the player's doorstep.

FIT president Hiromi Fukuda suggests that Ippon Zuri is more enjoyable than other fishing games because it allows players to eat what they catch. The game (which seems rather like a fancy seafood ordering system) promises more entertainment than a mundane trip to the supermarket and more convenience than a fishing trip to the seaside, and it makes a great pick-me-up for hungry fishermen feeling down on their real-world luck.

The game is open to Fukuoka-area NTT DoCoMo users who register at the Ippon Zuri site and pre-pay for the games (1,000 yen for 3 games) using Edy electronic money.

[Source: Fuji Sankei]

JAXA testing space solar power system

08 Feb 2008

Space Solar Power System --
For decades, scientists have explored the possibility of using space-based solar cells to power the Earth. Some see orbiting power stations as a clean and stable energy source that promises to slow global warming, while others dismiss the idea as an expensive and impractical solution to the world's energy problems. While the discussion goes on, researchers at the Japan Aerospace Exploration Agency (JAXA) have begun to develop the hardware.

JAXA, which plans to have a Space Solar Power System (SSPS) up and running by 2030, envisions a system consisting of giant solar collectors in geostationary orbit 36,000 kilometers above the Earth?s surface. The satellites convert sunlight into powerful microwave (or laser) beams that are aimed at receiving stations on Earth, where they are converted into electricity.

On February 20, JAXA will take a step closer to the goal when they begin testing a microwave power transmission system designed to beam the power from the satellites to Earth. In a series of experiments to be conducted at the Taiki Multi-Purpose Aerospace Park in Hokkaido, the researchers will use a 2.4-meter-diameter transmission antenna to send a microwave beam over 50 meters to a rectenna (rectifying antenna) that converts the microwave energy into electricity and powers a household heater. The researchers expect these initial tests to provide valuable engineering data that will pave the way for JAXA to build larger, more powerful systems.

Microwave Space Solar Power SystemJAXA says the orbiting solar arrays, which have the advantage of being able to collect energy around the clock regardless of the weather on the ground, will need to transmit microwaves through the earth's atmosphere at frequencies that are not affected by the weather. The researchers are now looking at using the 2.45GHz and 5.8GHz bands, which have been allocated for use with industrial, scientific and medical devices.

JAXA ultimately aims to build ground receiving stations that measure about 3 kilometers across and that can produce 1 gigawatt (1 million kilowatts) of electricity -- enough to power approximately 500,000 homes.

[Source: Hokkaido Shimbun]

Pollen Robots

29 Jan 2008

Pollen Robots --

As hay fever season approaches, Tokyo-based weather forecasting company Weathernews, Inc. is deploying a 200-strong army of beady-eyed, ball-shaped robots nationwide to monitor the pollen situation.

The so-called "Pollen Robots," which weigh 1 kilogram (2.2 lbs) and measure 30 centimeters (1 ft) across, consist of a monitoring unit housed in a spherical styrofoam shell. A pair of eyes glow 5 different colors -- white, blue, green, red and purple -- to indicate the level of Japanese cedar and cypress pollen in the air.

Two hundred hay fever sufferers around the country have volunteered to hang the Pollen Robots outside their homes, where they will monitor the air and send minute-by-minute reports over the Internet to Weathernews headquarters in Tokyo. The data will be used to update the company's online pollen map.

Weathernews is forecasting higher-than-normal pollen counts this spring.

[Source: Asahi]

PC cases made from platinum, gold, diamonds

28 Jan 2008

Zeus Computer Jupiter (Platinum) and Mars (Gold) --

Tokyo-based Zeus Computer is reaching out to deep-pocketed celebrities and the nouveau riche with a line of luxury personal computers housed in bejeweled cases crafted from precious metals. The selection includes an 80 million yen ($760,000) pure platinum "Jupiter" model and a more modestly priced 60 million yen ($570,000) solid gold "Mars" model, both of which feature a blaze of inset diamonds patterned to look like the zodiac constellations and the Milky Way. The cases contain a 3GHz Intel Core 2 Duo E6850-powered machine with a 256MB GeForce 7200GS VGA card, a 1000GB serial ATA hard drive, 2048MB of memory, a Blu-ray/HD-DVD optical drive and more, and Microsoft Windows Vista Ultimate OEM comes pre-installed -- but who's going to look inside?

[Link: Zeus Computer via Negitaku]

Robovie droid helps lost shoppers

25 Jan 2008

Robovie --

The Osaka-based Advanced Telecommunications Research Institute (ATR) has developed a crowd-monitoring humanoid robot that recognizes when people are lost and helps them find their way.

In a series of demonstrations conducted from January 22 to 24, a souped-up version of ATR's Robovie humanoid robot monitored people as they passed through a 100 square meter (1,076 sq ft) section of the Universal Citywalk Osaka shopping center. Relying on data from 16 cameras, 6 laser range finders and 9 RFID tag readers installed in and around the area, the robot was able to watch up to 20 people at a time, pinpoint their locations to within a few centimeters, and classify each individual's behavior into one of 10 categories (waiting, wandering, walking fast, running, etc.).

Robovie -- Whenever Robovie spotted people who looked disoriented, the child-sized droid wheeled up to them and asked, "Are you lost?" If so, the robot provided simple directions to the destination and pointed the way. If not, the robot proceeded to recommend nearby shops and restaurants.

ATR says the Robovie test is the first in a long series of robot-related demonstrations to be conducted at Universal Citywalk Osaka. This week, the company announced it was establishing a permanent base in the shopping center, which will serve as a real-world environment for testing new robot-oriented business ideas. In June, the company plans to start hiring out its machines to companies toying with the idea of employing robots.

[Sources: Robot Watch, Yomiuri, Nikkei]

Origami spaceplane to launch from space station

16 Jan 2008

Origami spaceplane --

Researchers from the University of Tokyo have teamed up with members of the Japan Origami Airplane Association to develop a paper aircraft capable of surviving the flight from the International Space Station to the Earth's surface.

The researchers are scheduled to begin testing the strength and heat resistance of an 8 centimeter (3.1 in) long prototype on January 17 in an ultra-high-speed wind tunnel at the University of Tokyo's Okashiwa campus (Chiba prefecture). In the tests, the origami glider -- which is shaped like the Space Shuttle and has been treated to withstand intense heat -- will be subjected to wind speeds of Mach 7, or about 8,600 kilometers (5,300 miles) per hour.

A large spacecraft such as the Space Shuttle can reach speeds of up to Mach 20 (over 15,200 mph) when it re-enters the Earth's atmosphere, and friction with the air heats the outer surface to extreme temperatures. The much lighter origami aircraft, which the researchers claim will come down more slowly, is not expected to burn up on re-entry.

No launch date has been set for the paper spaceplane, but Shinji Suzuki, an aerospace engineering professor at the University of Tokyo, is thinking ahead. "We hope the space station crew will write a message of peace on the plane before they launch it," says Suzuki. "We don't know where in the world the plane will land, but we hope that whoever finds it will contact us."

[Source: Asahi]

Dumb ‘Smart Globes’ recalled

11 Jan 2008

Smart Globe -- Tokyo-based educational company Gakken is recalling 10,000 of their electronic talking Smart Globes following a rash of customer complaints about a mislabeled Taiwan. On the globes, Taiwan -- a self-governing nation that split from communist China in 1949 during a civil war -- is labeled as "Taiwan Island," and the globe's smart pen reader, which streams audio data about a nation's geography, history and culture whenever you touch its location on the globe, identifies Taiwan as part of the People's Republic of China.

Gakken had originally intended to use the standard labeling for Taiwan (as per the Ministry of Education's specifications), but the Chinese factory based in Shenzhen apparently refused to produce the globes unless Gakken agreed to label Taiwan as part of China. Gakken agreed to the factory's demands.

The company sold out their entire first shipment of 10,000 Smart Globes, which were released in Japan last August, but customer complaints flooded in, prompting a recall.

Interestingly, a note included in the box along with each Smart Globe explained that Taiwan's name and data had been changed at the factory based on instructions from the Chinese government. However, at a January 10 press conference to announce the recall, Gakken said that they did not receive direct instructions to make the changes, and that they are investigating why the changes were made.

According to a Gakken press release announcing the Smart Globe recall, the company is reimbursing customers the full price of 29,400 yen ($270).

In a similar move, toy maker Takara Tomy also held a press conference on January 10 to apologize to customers and announce a recall of their smart "Talking Globe," which -- like Gakken's Smart Globe -- features a mislabeled Taiwan and was manufactured in China.

[Source: Yomiuri]

$725,000,000 Gundam

11 Jan 2008

Gundam -- Ever wondered how much it would cost to build a working, life-sized Gundam robot? At least $725 million for the parts and materials, according to an estimate published on the SciencePortal website run by the Japan Science and Technology Agency. The price tag for this giant humanoid, which would stand 18 meters (60 feet) tall and weigh 43.4 metric tons (nearly 100,000 lbs), does not include the cost of labor (this is where an extensive pool of robot slave labor comes in handy), nor does it include the cost of the infrastructure needed to support the machine once you are ready to climb aboard and take it for a walk.

Estimated cost of Gundam parts:

ITEM UNIT COST QTY COST
Aluminum alloy (honeycomb) $1,800 43,875 $79,000,000
(+ Metal manufacturing/processing) $240,000,000
Main computer (IBM) $1,550,000 1 $1,550,000
Gas turbine engines (GE) $52,000,000 7 $364,000,000
Superconductive motors (IHI) $260,000 30 $7,800,000
Motor drivers $260,000 30 $7,800,000
Reducers $760,000 30 $22,800,000
Sensors $910,000
Cockpit $450,000
TOTAL: $724,310,000

Note that unlike in the anime, the Gundam described here would merely be able to walk -- it would not have the ability to fly or have any fancy weaponry. Also, instead of Gundanium, the robot would be covered in aluminum alloy plating.

Gundam -- An IBM Blue Gene supercomputer would serve as the Gundam's computer system ($1.5 million sounds like a steal), and its movements would be driven by 30 giant 400KW motors -- 12 in the legs, 2 in the torso, 14 in the arms, and 2 in the neck. A 400KW motor is quite powerful -- by comparison, some Shinkansen bullet trains use 300KW motors. The motors alone would cost $7.8 million, but to power them would require the equivalent of 7 Apache helicopter engines (the helicopters cost an estimated $52 million each).

While $700 million is a lot of money (more than the GDP of Liberia, Grenada and a dozen or so other nations), it does not seem like so much when you compare it to the cost of other large-scale machinery. Military tanks costs around $4 to $7 million each, commercial passenger planes cost around $200 to $300 million, rockets can cost around $100 million to launch, expensive fighter jets can cost billions, and aircraft carriers cost about $5 billion.

A robot of this size and stature would face a number of physical challenges, such as the inability to walk without completely destroying the ground surface beneath its feet. When humans walk, we exert about 1.5 times our body weight of pressure on the ground (and on our feet) with each step. This poses a huge problem for a 43-ton humanoid, which would probably need to have very wide feet (to distribute the pressure over a larger area) and walk very very slowly. Dinosaurs found a way to get around, though, so giant robots probably can, too.

But perhaps the greatest challenge of all would be to find the funding for an enormous walking machine with no apparent practical or military application. With no money, this Gundam will forever remain just a dream.

[Source: SciencePortal]