SCIENTIFIC summer fun is on offer in conjunction with two touring exhibitions at a North-East gallery.
One of the displays, Medieval Machines, allows visitors to the DLI Museum and Durham Art Gallery to explore the operation of inventions and technologies of the Middle Ages.
The second exhibition, Feel the Force, shows the effects of forces of nature, from driving around corners, to ice skating and riding a bike.
Science Summer opens at the Aykley Heads gallery on Saturday, July 24, and runs until September 5.
It features about 40 exhibits in the touring display loaned by Science Projects Limited.
Museum exhibitions officer Dennis Hardingham said: "Science Summer gives us all the opportunity to explore these technologies first-hand, giving us an insight into the roots of modern technology and a better understanding of history by exploring medieval innovations and how they affected our lives."
As part of the event, children can become knights, complete with lances, on rocking horses to see how much harder riding was without stirrups.
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