Electron Microscope FM radio Nuclear Fission Transistor Electron Microscope The germ theory existed before we knew they existed for sure. The microscopes of the day were unable to detect germs and viruses. Electron microscopes were invented in 1933 in Germany. It lets super tiny organisms like germs and viruses be seen. They allow us to …
Monthly Archives: May 2021
One Thing I Would Like to Learn
I would like to learn how to be a professional drone photographer at some point in my life. Flying drones is fun, and it is fun to look down from above. I would like to learn to do drone photography. I think it would be cool to get really good at flying camera drones and …
History Lesson #150
Crystal oscillator George Washington Carver Yagi Uda Antenna PenicillinĂ‚Â Crystal Oscillator The crystal oscillator was invented in the 1920’s. It uses a crystal to create electric current. It is used in quartz clocks, radios, and computers’ micro processing chips. George Washington Carver The civil war ended with slavery being abolished. Carver was born into a …