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Ultrasound

Researchers at the University of Tokyo have developed a system that uses bubbles as a kind...

If you ever thought of soap bubbles as small floating movie capsules, you were not alone in your observation. Researchers at the University of Tokyo have developed a system that uses such bubbles as kind of projection screen based on colloidal liquids. The bubbles are made of a thin film, and allow light to create a reflection on one section before passing through other sections. If the reflection can be controlled, then the bubble can be used as a display.  Read More

The display of the Deeper app

Your smartphone and/or tablet can do just about everything else, why can’t they help you catch fish? Well, if the Deeper fishfinder ends up being commercially produced, they will be able to. The floating device would be paired with the user’s Android or iOS device, and would let them know if fish were in the area.  Read More

The 'intelligent' goggles use computer algorithms to help the partly-sighted navigate

Researchers at the Universidad Carlos III in Madrid (UC3M), Spain, have developed a pair of “intelligent” goggles that make getting around a bit easier for partly-sighted people, by providing them with Terminator-style vision. Using a pair of cameras mounted on a virtual reality headset connected to a tiny computer, the device scans the area ahead of the wearer and displays information about the scene as color-coded outlines that convey the distance and shapes of objects that are difficult to otherwise see or interpret.  Read More

The Twente Photoacustic Mammoscope (PAM) integrated into a bed so patients can be scanned ...

While breast cancer screening tests are accepted as safe – and we definitely wouldn’t want to scare anyone off from a potentially life-saving test – they do have some risks associated with them. The most obvious being the exposure to low doses of ionizing radiation, which in itself is a risk factor for breast cancer. X-ray mammography can also give false positive and negative results. In the quest for a safer, more accurate alternative, Dutch researchers have provided proof of concept that photoacoustic imaging can be used to detect and visualize breast tumors.  Read More

The low-cost, pocket-friendly, open source, and completely hack-friendly Soundlazer parame...

Sonic technology that allows audio to be specifically directed at a limited audience, as opposed to booming sound out as far and as loud as possible, has been around for a good many years but has yet to penetrate the mass consumer market. That situation could well change very shortly, however, thanks to the Soundlazer. The low-cost, pocket-friendly, open source, and completely hack-friendly parametric device developed by Richard Haberkern uses ultrasonic carrier waves to transmit sound from a connected music player on a narrow beam to a select listener.  Read More

Scientists have successfully reduced the sperm counts of male rats to zero using widely-av...

Using commercially-available ultrasound technology, scientists have successfully reduced sperm count in rats to a level that would cause infertility in men. Researchers managed to reduce motile sperm to 3 million per cauda epididymis (where sperm are stored), which equates to a Sperm Count Index of zero, measured two weeks after treatment. The research could re-open the door to the investigation of ultrasonic techniques as a practical human contraceptive.  Read More

GoldMoney uses GE's ultrasound scanning technology to ensure the integrity of its gold hol...

Evidently all that glitters is not entirely gold. Just ask the many disappointed bankers and investors who have discovered some of their large gold bullion bars were ersatz - real gold on the outside, far less valuable tungsten on the inside. Enter General Electric with its Phasor series of portable ultrasonic detectors. Using non-invasive technology identical to that deployed in peering at developing fetuses, GE's devices allow a quick and thorough examination of gold bars for flaws, bubbles and even different materials.  Read More

A new system for checking the quality of wood involves vibrating it at a rate of 20,000 ti...

When choosing wood for applications such as load-bearing beams in houses, it's important not to use pieces that contain cracks or other defects that could affect their structural integrity. While not quite as crucial, it's also nice to avoid flaws when building things like wooden furniture, piano soundboards, or window frames. Typically, people have been limited to visually checking the wood for such defects. Now, however, researchers at Germany's Fraunhofer Institute for Wood Research have developed a system that highlights faults invisible to the human eye, using a process called high-power ultrasound thermography.  Read More

Nathalie Bijnens and Frans van de Vosse of Eindhoven University of Technology, presenting ...

Not only is the old inflatable-cuff-around-the-arm an uncomfortable way of having one's blood pressure measured, but it turns out that it doesn't always provide enough information, either. If a physician wishes to check for vascular diseases such as atherosclerosis, thrombosis or aneurysms, for instance, they're going to want to know how the blood is flowing in areas besides the patient's arm. Because the cuff works by temporarily stopping the blood flow, however, it's not going to work too well on a patient's neck or torso. Fortunately, scientists from The Netherlands' Eindhoven University of Technology (TU/e) have discovered that ultrasound can be used instead, and that it provides more details.  Read More

The PreVue concept from industrial designer Melody Shiue proposes using 4D ultrasound tech...

Checking the health of a baby inside the womb using ultrasound has been going on for a good many years and can be a useful tool for detecting problems early. A new concept from industrial designer Melody Shiue proposes using the technology to enhance the bond between parents and the growing fetus. PreVue would take advantage of developments in e-textile research and advances in ultrasound technology to offer mother and father a live window into the various stages of their little treasure's development.  Read More

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