Paulo SantosEnigma MachineLong distance communication is one of the best inventions since sliced bread, but in a close second is message eavesdropping, which has…Apr 7, 2019Apr 7, 2019
Paulo SantosPacemakers: How do they work?The most fascinating and essential body part of them all is the heart. It pumps blood throughout the body which carries oxygen and…Mar 30, 2019Mar 30, 2019
Paulo SantosAnatomy of a batteryLet’s learn how batteries work and their differences.Mar 30, 2019Mar 30, 2019