Science, Maths & Technology
Measure the Pulfrich Effect
...centres of your pupils. For the calculations that follow it is important that all the measurements are made in the same units. In other words, you should not measure D in metres, d in centimetres and s in millimetres. The final result will not be affected by the choice of units, but you will find centimetres the most convenient. Be as accurate as possible – for example...