In the early 1970s, from coast to coast people were purchasing CB radios for fun, work, safety, and more. Cars would have CBs and the car’s call sign was usually printed on the car, actively listing for another CB enthusiast to chat with on a long drive on a freeway. Many TV shows and movies included the multi-channelContinue reading “The Third Personal Computer, The Radio Shack TRS-80 Model 1”
Category Archives: Education
The Second Personal Computer, The Apple II
My story of the Apple II starts with the first product of Steve Jobs and Steve ‘Woz’ Wozniak, the Blue Box. In 1971 Americans home phones were owned by AT&T (aka Ma Bell). Ma Bell had the legal authority to ban other phones from it’s network, for national security reasons of course. The two Steves produced their firstContinue reading “The Second Personal Computer, The Apple II”
The First Personal Computer, The Commodore PET
Commodore was a once successful calculator company, using chips from the Texas Interments. While TI was successful in selling chips the company waited to get big in the calculator game, until other companies proved the market. Since they were selling the chips in their own calculators they didn’t need to sell outside to places like Commodore, so theyContinue reading “The First Personal Computer, The Commodore PET”
The First Three Personal Computers
Even in the early days of 8 bit computer the origins of the personal computer were already being blurred in myth. Much of the confusion is around the definition of personal computer. My personal definition of a personal computer is becoming less common as many other devices previously not thought of as a personal computerContinue reading “The First Three Personal Computers”
New Printer for Food
3D printers are becoming more popular, and this one is one of the best ones on the market. About 1980 an article in Compute! Magazine described the paperless office of the near future. Over thirty years later we have more paper in our offices then ever before. The home printer and email hasn’t closed card shops. PicturedContinue reading “New Printer for Food”
Squishy Circuits
Squishy Circuits were made to teach electronics to children. The dough lets youngsters with little hands discover fun in science as a versatile and safe tool. This inexpensive and safe toy lets children learn about LED lights, electric circuits, and electric motors. I discovered this on a TED Talk last year. You can discover them at this web address. http://courseweb.stthomas.edu/apthomas/SquishyCircuits/buildingCircuits.htm
Sharks vs Dolphins?
Media gives us lots of crazy misconception. Dolphins are portrayed as cute, fun, smart, and friendly. Sharks are portrayed as ugly, cunning, and dangerous. I think the opposite to be true. Most sharks will frenzy when they smell blood and might attack humans. Otherwise they attack humans when mistaking arms or legs for fish. DolphinsContinue reading “Sharks vs Dolphins?”