Kristjan SalevMar 20, 20224 min readHOW RELATIVISTIC TIME DILATION AND GPS ARE RELATEDEinstein's theory of relativity is one of the most significant achievements in the history of science. All the more so as it has been...
Kristjan SalevFeb 8, 20223 min readHOW TO OBSERVE THE UNCERTAINTY PRINCIPLE WITH A LASER POINTERQuantum mechanics can sometimes be very difficult to digest, as the laws of the microworld often seem to contradict common sense....
Kristjan SalevJan 11, 20226 min readHOW HORIZONTAL AND EQUATORIAL SUNDIALS WORKIn this post, we take a look at an ancient gadget that helped us read the time when mechanical clocks hadn't been invented yet. Since I'm...