Simply plugging this MP3 player into a car’s cigar lighter socket and tuning to an unused FM radio channel, allows access to all the music stored on a separate USB drive. The use of external memory keeps cost down and provides flexibility. Minimal memory functions within the unit include last station recall and last song played. In addition to converting the vehicle’s 12V to all the voltages required within the player, the visual feedback portion of the Human Machine Interface (HMI) for selecting one of the 15 pre-set FM stations comes from four 8-segment red LEDs.
Researchers have been working on a number of alternative chemistries to lithium-ion for next-gen batteries, silicon-air among them. However, while the technology has been viewed as promising and cost-effective, to date researchers haven’t managed to develop a battery of this chemistry with a viable running time -- until now.
Norway-based additive manufacturing company Norsk Titanium is building what it says is the first industrial-scale 3D printing plant in the world for making aerospace-grade metal components. The New York state plant will produce 400 metric tons each year of aerospace-grade, structural titanium parts.
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