MEMS (microelectromechanical systems) have the versatility to solve specialized problems, and the demonstration of that versatility continues at Sandia National Laboratories. Researchers there have devised an advanced gas-sampling procedure using picoliters of gas to check whether the atmosphere inside a MEMS device is pure.
A small commercial valve crushes a tiny object—the MEMS chip under
investigation—and feeds the released gases to a custom-built intake manifold.
Because the test mechanism requires only picoliters of gas, it can re-evaluate
dozens of times, using bursts of puffs of gas that it receives. This repetition
increases the final test's validity due to the repeated sampling and testing
during a 20-minute period, compared with the uncertain validity of a single test
These new 3D-printing technologies and printers include some that are truly boundary-breaking: a sophisticated new sub-$10,000, 10-plus materials bioprinter, the first industrial-strength silicone 3D-printing service, and a clever twist on 3D printing and thermoforming for making high-quality realistic models.
Ear-based heart-rate monitoring gained momentum recently, as sensor maker Valencell Inc. announced it has licensed its biometric earpiece technology to Samsung Electronics Co. Ltd for use in so-called “hearable devices.”
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