In this video from the Institution of Engineering and Technology (IET), engineers explain the technology behind Wii controllers. Micro electro mechanical systems (MEMS) is the technology behind games console controllers and products like air bags. New applications for...

A measuring cylinder is shown with divisions marked in millilitres. Water is poured at a constant rate into the cylinder. The challenge is to graph the volume of water against time. The resulting graph is linear.

Water volume video

A set of weighting scales is shown with a stack of cups on the scale. The cups are removed one by one in a fluid movement. The task is to graph the weight on the scales against time. 

Weight of cups video

A stack of cups is shown. Cups are added to the stack. Part way through a different style of cups is added, before the cups revert to the original style. The challenge is to graph the weight of the stack of cups against time.

Weight of stack 1 video

A stack of cups is shown. Cups are added to the stack. There is a variation in the rate at which cups are added. The challenge is to graph the weight of the stack of cups against time.

Weight of stack 2 video

Produced by Rolls-Royce, this entertaining video clip takes the form of an animated rap which describes a range of career opportunities open to students with skills in science, technology, engineering or mathematics (STEM). It makes a good...