Thrill-seeking engineers are now taking advantage of new propulsion systems in their mission to scare people to death. Top Thrill Dragster, at Cedar Point Amusement Park in Sandusky, OH—the world's largest and fastest roller coaster—uses a hydraulic launch system to hurtle passengers from 0 to 120 mph in the 4-second launch period and to pull the 16 passenger trains up a 420-ft hill. Thanks to PLCs and an advance monitoring system, up to six trains can run on the tracks at the same time.
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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