Kristjan SalevDec 4, 20227 minHOW DOES A NEWTONIAN REFLECTOR TELESCOPE WORK?A reflector telescope, also known as a Newtonian reflector, is one of the main types of telescope, along with refractors and catadioptric...
Kristjan SalevOct 1, 20224 minHOW DOES THE FINGERPRINT DOOR LOCK WORK?Fingerprint door locks have been around for a while and are very convenient devices for opening your door without a traditional key. They...
Kristjan SalevSep 10, 20223 minHOW TO MEASURE DISTANCES WITH A MATCHIn an earlier post, I wrote about how to measure heights using a mirror. However, in this short post, we will look at how to measure...