Hartismere School

An outstanding coeducational secondary school and sixth form college

The Addams Family Musical

13th to 16th March 2019
Tickets now on sale

Possibly great idea for using fluids like

.....custard ! Speed bump filled with a non-Newtonian fluid. When car is travelling at below speed limit, barely a ripple. But when car hits speed bump over the speed limit the fluid hardens ....providing resistance like a traditional speed bump...