Kristjan SalevJun 7, 20225 minMAKING A SUNDIAL FROM STEELIn an earlier post "How horizontal and equatorial sundials work" we can read about the working principles of the two main types of...
Kristjan SalevMay 8, 20223 minHOW DO SMARTPHONE SCREEN MAGNIFIERS WORKA smartphone screen magnifier is a device that magnifies the image or text on the screen and makes it more visible to us. It's good to...
Kristjan SalevApr 23, 20224 minHOW NEWTON'S CRADLE DEMONSTRATES CONSERVATION LAWSNewton's cradle is a classic science gadget that, in addition to being a desk decoration, demonstrates to us two fundamental conservation...