Gauteng Community Safety MEC Sizakele Nkosi-Malobane on Tuessday reassured the public that student l.
Sundials are the simplest way to measure time during the day. A simple stick casts a shadow that grows shorter until midday, when the sun is at its highest in the sky. The shadow grows longer again after midday. A sundial simply casts its shadow onto a plate marked with the hours. Sundials have been used for many centuries and are still in use today. The Encyclopedia of Questions and Answers, Bounty Books