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Hand-Held Spectroscopy Tool Lets You Examine the Molecular Composition of Your Food

Kickstarter campaign aims to bring mass-produced spectrometers to consumers

2 min read
A handheld spectroscopy tool called the SCiO shines a blue light on an avocado to check its molecular composition.

Up on Mars, the Curiosity Rover uses its spectrometers to examine the chemical composition of the rocks and dirt on the red planet. Now the Israeli startup Consumer Physics has developed a tool that lets you conduct similar experiments in your own backyard or at your dinner table.

The company launched a Kickstarter campaign today with the goal of raising US $200 000 to fund the first production run of its hand-held spectrometer, which is about the size of a flash drive. Using near-infrared spectroscopy, the device, called SCiO, shines light on a sample and measures the light absorption patterns of the molecules therein. It then identifies the object by its optical signature, and gives the user information about the object's molecular composition. It uses bluetooth to link to the user's smartphone, where an app manages the data.

Mobile phone screen shows the SCiO's information about a piece of cheese.

In a product demo for IEEE Spectrum last week, company CEO Dror Sharon held up a prototype SCiO to a block of Gouda he had just bought at Walgreens. After a brief flash of light and a few seconds of analysis, Shalon's smartphone reported that the item was: cheese. While that might not seem like the most useful announcement for a functional human being with eyes, the SCiO can provide more info. After following a prompt to enter the portion size (which was on the cheese's packaging), the app displayed that cheese's calories per serving, as well as fats, carbohydrates, and proteins. Of course, all that info was also on the cheese's packaging. But Sharon says the SCiO's abilities will shine forth at restaurants and anywhere people are grabbing food on the go. 

Sharon thinks that consumer spectroscopy is an idea who's time has come. Today's quantified self gadgets let us track our bodies with unprecedented precision—we can count our steps taken, calories burned, and much more. But people who want that kind of information about the materials around them have been out of luck so far. "When we came up with this vision, I went to Amazon to search, because I was sure that it must exist already," says Sharon. When his search came up empty, he and his team started working.

Kickstarter backers who donate $149 will get the SCiO in December, along with free downloads of all the SCiO-specific apps that Consumer Physics will develop over the next two years. The company has already developed apps for identifying and authenticating pharmaceuticals, for checking the hydration of plants, and for measuring the sugar content of fruit. Sharon is hoping that third-party developers will find many other things to do with SCiO. "That's the major reason we’re doing the Kickstarter campaign, to get the device into the hands of the early adopters," he says.

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Deep Learning Could Bring the Concert Experience Home

The century-old quest for truly realistic sound production is finally paying off

12 min read
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Stuart Bradford
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Now that recorded sound has become ubiquitous, we hardly think about it. From our smartphones, smart speakers, TVs, radios, disc players, and car sound systems, it’s an enduring and enjoyable presence in our lives. In 2017, a survey by the polling firm Nielsen suggested that some 90 percent of the U.S. population listens to music regularly and that, on average, they do so 32 hours per week.

Behind this free-flowing pleasure are enormous industries applying technology to the long-standing goal of reproducing sound with the greatest possible realism. From Edison’s phonograph and the horn speakers of the 1880s, successive generations of engineers in pursuit of this ideal invented and exploited countless technologies: triode vacuum tubes, dynamic loudspeakers, magnetic phonograph cartridges, solid-state amplifier circuits in scores of different topologies, electrostatic speakers, optical discs, stereo, and surround sound. And over the past five decades, digital technologies, like audio compression and streaming, have transformed the music industry.

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