Professor Nitrate's Mad Lab The Mad Lab is home to Professor Nitrate and a fantastic array of science shows. With various shows throughout the day. There's always something new to learn. The Mad Lab is also home to the Professor's assistants who will be on hand to show you there latest experiments with fun take home experiments on offer. Professor Nitrate science shows take place at 11:40 , 1.40 and 3.40 during our Half Term Events. Please check prior to event the show's will will be performed. Note: There may be loud bangs at some of our events. Note: Activities are subject to change, please check event listing before attending. Note: Mad Lab Science Shows are offered on a first come, first serve basis - Doors may close earlier than advertised is room has filled. Prior warnings will be made if Lab is busier than usual Note: Children must be accompanied by an Adult or Guardian at all times. Dogs: Only guide and assistance dogs will be allowed on the site. They must remain in harness during the visit.