This video shows how cards with different shaped holes circle, square, triangle), held to the sun, produce circular points of light, because what is seen is the image of the sun (this is how a pinhole camera works).

Shefali engages with customers, media and investors to help to grow the company.  Shefali works at Oxford Space Systems, a company developing innovative technology that is launched into space.  She often helps to act as the link between customers and the engineers working on the satellite designs. 

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Chris Holmes is a sports technologist for sports equipment manufacturer Adidas. This Department for Education clip is useful in showing students how a career such as this relies on a background of STEM study. Chris describes how he specialises in the development of sports balls. His job is to investigate the best...