This is an interesting concept, but the square drive is not compatible with most of the door hardware made for th US in the past 35 years. Go to Home Depot or Lowe's and see for yourself. Neither the cheap stuff not the good hardware uses that system any more. There is some institutional harware that still uses the square drive, but that package shown would wear out in less thanm a week, unless the plastic is much more durable than the PE, which is what it looks like.
So it will be very interesting to see if there is any succes in this product and concept.
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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