Science Experiment: Build Your Own Rain Alarm}
More Detail Here: Fibre Optic Cables Fibre Optic Cabling Submitted by: Jere Botes
Many electrical devices are used as early warning systems such as burglar alarms, electric fencing systems and many more. Dont you think it will be useful to have an early warning system for rain to warn you to close the windows and bring in the clothes from the clothesline? In the following science experiRead More…