Around 1875, patents for the modern nail clipper began to appear, with the first such trimmer, designed by a man named Valentine Fogerty, though the design of his device could best be described as a circular nail file rather than a keratin clip. The first design in the USPTO’s files that I could find with anything in common with modern designs came from inventors Eugene Heim and Oelestin Matz, who were granted a patent for a clamp-style fingernail clipper in 1881. (These days, standard nail clippers are so common that any patents on them have long since faded away, though that hasn’t stopped new variations from being created, much like with the umbrella. Who hasn’t ever wanted a nail clipper that automatically stores your nail clippings?)
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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