A robot is a boon and not a curse for human kind they are helpful now
That Australia is the driest inhabited continent on earth.
Australia has one of the lowest rainfalls in the world. About three quarter of it's land have a lower humidity compared to average areas in the world.
But due to their good watering systems, they still managed to produce good agricultural products
In the picture to the right iron filings have been sprinkled around a bar magnet. The iron filings outline the magnetic field lines, making it visible. Magnetic fields all have a pair of "poles", from which "lines of force" or magnetic field lines appear to originate.
