The first commercial spam was sent out on April 12, 1994 by lawyer Laurence Canter, who was trying to drum up business for his Arizona law firm.
J. Presper Eckert, inventor of the ENIAC, the Electronic Numerical Integrator And Computer, otherwise known as the first all-purpose fully electronic computer, dubbed the “Giant Brain” by newspapers at the time of its unveiling. Several of its vacuum tubes failed every day, rendering it inoperable half of the time. Nonetheless, it was in use by the U.S. military for nearly a decade, until its retirement in 1955.
On April 12, 1633, Galileo’ssecond trial for his heliocentric beliefs began. Galileo was found guilt of heresy and spent the remainder of his life under house arrest. It was while under house arrest that he considered some of what is considered his best work, including Two New Sciences, which formed the groundwork for kinematics and strength of materials.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.