universityoftokyo

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  • SSD power consumption reduced by 86 percent, speeds of 9.5GBps achieved by Japanese researchers

    by 
    Vlad Savov
    Vlad Savov
    05.20.2010

    You know, the thing about the future is, it'll probably come from Japan. Only yesterday we saw mammoth 50TB magnetic tapes, and today we're hearing the home of Nikon has come up with a new writing method for NAND flash memory that dramatically reduces the already humble power requirements of SSDs. Using their hot new single-cell self-boost technique, University of Tokyo researchers have been able to lower operational voltages down to 1V and thereby facilitate parallel writing to over 100 NAND chips at a time, resulting in the bombastic 9.5GBps writing speed claim. The whole thing has only just been announced, so don't go raiding your local tech store just yet, but we can at least start preparing ourselves for this madness whenever it does show up. [Thanks, Mike]

  • Kojiro humanoid goes musculoskeletal in a big way

    by 
    Paul Miller
    Paul Miller
    03.07.2010

    We just found a new friend. Kojiro, a humanoid being built by the University of Tokyo's JSK Robotics Laboratory, has a detailed musculoskeletal system built to mimic the human body. It works on a system of artificial bones, muscles and tendons to create a robot that is theoretically more light and agile than your regular bot, and which moves in a more organic fashion to our untrained eyes. The bot has motors which pull cables that simulate the method which muscles and tendons interact, and has about 100 tendon-muscle structures, giving it 60 degrees of freedom -- more than an average rotary joint bot like Asimo (34 degrees, last time we checked). The robot shaves weight with its lighter, plastic materials and small brushless motors. The idea is to make a robot that's more people friendly by not being substantially heavier or more rigid than a human it might come into contact with. Of course, that's not the only perk of a bot built like this: the human-style flexible and twistable spine gives Kojiro all sorts of abilities that your regular bot is just too straight-spined for. Like the limbo, for instance. The big difficulty here is that all the motion and flexibility means Kojiro is a big chore to program, and there's an army of gyros, accelerometers and force sensors embedded throughout the bot to help it learn its balance. Currently they're working with an iterative learning process to get small motions down until Kojiro can eventually manage more complex motions like sitting motionless at a desk for nine hours on a Saturday, tending to FarmVille. Check out a video of Kojiro in limited action after the break.

  • Flexible, organic flash memory on tap at the University of Tokyo

    by 
    Joseph L. Flatley
    Joseph L. Flatley
    12.16.2009

    If the University of Tokyo has its way, we could be seeing an onslaught of flexible computing devices sooner than you think! Earlier this year the school made some noise with its stretchable OLED prototype and now a research group led by Takeo Someya and Tsuyoshi Sekitani has developed a non-volatile, flexible organic flash memory that may someday be used for large-area sensors, electronic paper devices, and non-volatile memory. Using a polyethylene naphthalate (PEN) resin sheet arrayed with memory cells, the memory can be bent until its curvature radius reaches 6mm without causing mechanical or electrical degradation. As it stands now, the device has a memory retention time of one day -- but the team maintains that this can be "drastically improved by reducing the size of the element and employing an SAM with a long molecular length." Piece of cake, right?

  • Touchable Holography uses Wiimotes to add touch to holograms

    by 
    Laura June Dziuban
    Laura June Dziuban
    08.06.2009

    Researchers from The University of Tokyo have demoed a touchable hologram at Siggraph 2009. The project, called Touchable Holography, involves the use of Wiimotes placed above the display to track hand motion, and an airborne ultrasound tactile display created in the university's lab to create the sensation of touch. The result is a holographic image that produces tactile feedback without any actual touching, and without degrading the image itself. Check out the video after the break for a fuller, more stunning explanation. [Thanks, Adam]

  • Flexible, stretchable, rubbery OLED prototype shown off in Tokyo

    by 
    Laura June Dziuban
    Laura June Dziuban
    05.11.2009

    Electrical engineering researchers at the University of Tokyo have developed a flexible, stretchable OLED that acts something like rubber, and does not tear or break when stretched. The material is produced by spraying a layer of carbon nanotubes with a fluoro-rubber compound, creating a rubbery, conducive material. The current, monochrome display prototype has a resolution of just 256 pixels, is 10-centimeters square, and can apparently be folded about 1,000 times with out falling apart, tearing, or imploding. The team is presenting its findings in the British science journal Nature Materials this month.[Via Slashgear]

  • KAR robot arm does the dishes, sort of

    by 
    Donald Melanson
    Donald Melanson
    12.18.2008

    Ok, so it may not be quite as ambitious as some all-purpose cleaning robots, but this so-called KAR robot arm developed by a group of researchers from Panasonic and the University of Tokyo does appear to at least do the sole task it was designed for relatively well. While it can't exactly "wash" the dishes, per se, it can apparently pick up even delicate dishes without damaging them, dip them in the water, load them into a dishwasher, and even turn on said dishwasher. The researchers apparently aren't satisfied with things just yet, however, and they say they eventually hope that robot will be able to clean up after a family of four in just five minutes. Head on past the break for a video, and hit up the link below for another silent (and, hence, more unnerving) one.[Via Japan Probe]

  • Airborne Ultrasound Tactile Display creates haptic 3D objects you can poke

    by 
    Joshua Fruhlinger
    Joshua Fruhlinger
    09.03.2008

    Sure, you may have your fancy vibrating controllers and liquid-injecting touch screens, but Takayuki Iwamoto wants you to play with the air. Iwamoto and some of his buddies at the University of Tokyo have come up with a way to use focused ultrasound to create manipulable virtual objects in space. Using multiple transducers, the "Airborne Ultrasound Tactile Display" creates an acoustic radiation pressure field. Holding your hand in the field allows you to "feel" the object, manipulate it, and feel response. Right now, the system only creates a vertical field, but you had better bet that Iwamoto is working on that. As for suitable applications, interest has already been shown from both industrial and gaming developers. No word on the hentai industry taking note, but that can't be too far away. Check the video after the break to see this tech in action.[Via BBC News]

  • Japanese researchers craft "e-skin" to let robots feel

    by 
    Donald Melanson
    Donald Melanson
    08.12.2008

    The folks at the University of Tokyo have been trying to create more touchy, feely robots for what seems like ages, and they now look to have made some real progress with their so-called "e-skin," which promises to give robots a more human-like sense of touch. To do that, the researchers created a bendable rubber sheet filled with carbon nanotubes, which lets the "skin" conduct electricity even when it's stretched. When combined with sensors, that would let robots feel heat or pressure, which the researchers say is essential "as robots enter our everyday life." They also, not surprisingly, see a whole host of other applications for the technology, including on steering wheels that could judge whether people are fit to drive and in stretchable displays that could start out as a tiny sheet and be stretched to a larger size when you want to watch TV.

  • Another flexible circuit project emerges, carbon nanotubes to blame

    by 
    Paul Miller
    Paul Miller
    08.08.2008

    Yeah, we get it, flexible electronics -- sans application -- are about as exciting as the circuitry under your keyboard. But it's Friday, and this here story has real-live carbon nanotubes, so you know it's a winner. Takao Someya of the University of Tokyo has built for himself a stretchy, flexible conducting material using carbon nanotubes mixed with a polymer. The nanotubes are mixed into a compound called "bucky gel" to prevent clumping, and after some rubber-like flourinated copolymer is mixed in and it's all poured onto a glass plate, holes are punched in the material to better flexibility. Apparently it ends up looking a bit like a nylon stocking, but we won't hold that it against it, since it can be stretched up to 38%, while also managing to be 100 times more conductive than any other elastic material. The possibilities for such technology is pretty much endless, but we'd say "nylon stocking that is also, conveniently, a computer" is the first product category worth felling.[Via I4U]

  • Japanese scientists craft planet's smallest ramen bowl

    by 
    Darren Murph
    Darren Murph
    06.01.2008

    Now that just looks extra scrumptious, doesn't it? What you're peering at above is believed to be the world's tiniest ramen bowl, created by a clever bunch of scientists from the University of Tokyo. Reportedly, Masayuki Nakao and his students "used a carbon-based material to produce a noodle bowl with a diameter 1 / 25,000 of an inch in a project aimed at developing nanotube-processing technology." In other words, they carved a bowl out of nanotubes, which can now only be viewed through a microscope. Best of all, they didn't stop with just the dinnerware, as they managed to insert a number of inedible noodles to round things off -- each of which measured "one-12,500th of an inch in length with a thickness of one-1.25 millionth of an inch." Don't get any bright ideas here, McDonald's, ditching SuperSize was bad enough.

  • Smart Goggles help you find that one thing... you know, with the stuff

    by 
    Paul Miller
    Paul Miller
    03.14.2008

    While perhaps some sort of tagging or RFID system could be more effective in this task, you're certainly never going to look as badass on the hunt for a flower pot as you will with these Smart Goggles. Being developed by researchers at the University of Tokyo, the video goggles are hooked up to a backpack computer and record whatever you see. The system can be trained to recognize particular items by name, using some fancy image recognition software, and is meant for people with memory problems or just really hard to find plants. You can even ask the system to play back some recent video of the object ("where did you see it last?") to help jog your memory or just bring back old times. Super-fine white coat not included.[Via Daily Mail]

  • Air-driven robotic legs hop, skip and jump

    by 
    Darren Murph
    Darren Murph
    09.28.2007

    Though we've certainly seen robotic legs that like to get their jump on, a team of researchers at the University of Tokyo have assembled a new two-legged creature that can actually spring up about 50-centimeters on its own -- and land gracefully. The creation is part of a larger project aimed at creating humanoids with cat-like (or just human-like, really) reflexes that can better assist the elderly when used as caregivers. Moreover, this hopper relies on air-driven artificial muscles rather than electric motors, and while we're not sure it could hang with Ronaldinho, it can boot a fútbol when asked.

  • Scientists forge molecular-sized scissors

    by 
    Donald Melanson
    Donald Melanson
    03.27.2007

    We've already seen molecular elevators, keypad locks, and even spiders, but a team of scientists at the University of Tokyo have now further expanded our pint-sized toolkit, crafting a pair of molecular scissors for those hard to reach places. Apparently, the scientists used rings of carbon and hydrogen for the blades, with a "chiral ferrocene" molecule supplying the pivot point, and couple of "phenylene groups" acting as handles -- all of which adds up to to a mere three nanometers in length. To manipulate the scissors, the scientists simply alternate between shining visible light and UV rays to open and close 'em. According to LiveScience, the team's now working on a slightly larger pair of clippers that can be operated remotely, potentially for use inside the human body -- which is only a somewhat less scary prospect than a swarm of nanobots being let loose for a little autonomous repair work.

  • University of Tokyo crafts tea-grabbing humanoid to serve you better

    by 
    Darren Murph
    Darren Murph
    03.01.2007

    If you've got a domesticated service bot around to flip your channels and chase away any uninvited intruders, there's not too much else a lonely, elderly individual needs from a fellow humanoid, but researchers at the University of Tokyo are crafting more lifelike and more agile servant bots nevertheless. In an effort to create a tactical team of droids ready and willing to serve the aging population of Japan, the team is working with Kawada Industries Inc. to create friendly robots that can assist folks with around the house chores such as pouring tea and cleaning the dishes. Several models were out and about during a recent demonstration, as one wheeled bot delivered beverages to its master, and other renditions responded to human movements and the bevy of sensors installed in the floor and sofa of a room. Essentially, the team is attempting to seamlessly integrate robotic life with our world, and they're already prepared to feel a lashing from privacy advocates who will protest the embedded camera systems that the robots feed off of. Still, we'd rather have a potentially Big Brother-equipped servant to make sure our favorite dramas get recorded than no one at all.

  • SHOJI to detect the mood of a room for about $3,000

    by 
    Cyrus Farivar
    Cyrus Farivar
    11.08.2006

    If you're someone who can easily read other people's emotions, then you probably won't be getting a SHOJI (Symbiotic Hosting Online Jog Instrument) anytime soon. For the rest of us, we'll have to rely on this latest invention from our friends at the University of Tokyo and GS Yuasa. The SHOJI apparently can sense the "mood" of a room by monitoring light levels, temperature, humidity, infrared, ultrasonic waves, the "presence and movement of people," (not unlike that Mitsubishi air conditioner we saw recently) body temperature, and "the nature of activity in the room," whatever that is. All of that data is then compiled and computed to output to an LED flask sort of thing which displays red for anger, blue for sadness, yellow for happiness and green for peace. Apparently Japanese managers and hospitals are willing to pay a hefty price for this privilege, given that it'll cost between ¥300,000 and ¥400,000 ($2,500 to $3,300) when its released in April 2007. Still, the SHOJI is no KotoHana flower, that's for sure.

  • Japanese researchers build 512-core math coprocessor

    by 
    Cyrus Farivar
    Cyrus Farivar
    11.06.2006

    While we're just getting used to dual-cores and have our eyes on those upcoming quad-core chips, Japanese computer scientists at the University of Tokyo have built a 500MHz 512-core math co-processor chip that can perform up to 512 billion floating-point operations per second. The Grape DR chip is designed to fit on a PCI-X card and act as a secondary chip for the main CPU. The project, which has been ongoing since 1989, expects to reach two petaflops (that's two quadrillion, or 2,000,000,000,000,000) floating-point operations per second sometime around 2008. No doubt that Intel, which is planning on an 80-core processor by 2011, is watching this research very very closely.[Via Channel Register]