Ghaziabad: If necessity is the mother of invention, personal experience is the guiding light of innovation. On Wednesday, a group of schoolkids, who are yet to sit for their first board exams — the youngest in the group just 12 years old — showcased prototypes for devices that they built with help from their schools to make everyday life easier. From innovative sanitary napkins for persons with disabilities to automated crop umbrellas for farmers, the students at the district-level science exhibition claimed daily life incidents inspired them.A total of 81 students from 55 schools in Uttar Pradesh participated in the exhibition which took place at Rajkiya Girls Inter College at Vijay Nagar in Ghaziabad.Tanu Saini (15), a girl from Pavlikash village in Meerut has never seen a vacuum cleaner, but she is worried about the unclean environment in her village. Hence, she invented a hand-sewage system inspired by the vacuum cleaner design which she saw in a photo. This will help segregate wet waste without getting ones hands dirty and keep my village clean, said Saini who studies at the Government High School, Pavlikash.Like Saini, Ira Bhardwaj was moved to design an airbag mechanism for two-wheelers after her grandfather passed away in an accident two years ago. The 15-year-old girl while demonstrating the model of the airbags, with two air balloons attached on each side of the bike and a pressure sensor installed at the front of the vehicle, said, I dont want anyone else to be a victim of such tragic accidents. If there were airbags on a two-wheeler, then the injuries could have been less. The airbags are sensor activated to reduce the injury rate.To avert train accidents, another young innovator, Jasveen Kaur (12) has created an alarm system that would save peoples lives by alerting them from boarding a moving train and signalling loco pilots of overcrowding conditions. Kaur believes that science should be implemented as a means of social good. Metro stations have such systems available but local trains in India dont. The sensor is fixed on the train in such a way that if any person is hanging at the edge of the train door or is trying to board the train after it starts running, the alarm will go on, said Kaur, who studies in Pacific World School. With dreams of becoming an entrepreneur, 16-year-old Prachi from JKG Public School has devised an effective model for an cooking gas leak alert system. She demonstrated how the sensors would detect a gas leak and resonate a high-pitched sound and the exhaust fans will automatically start working till the gas in the air is flushed out. Eight participants from the district have been selected to showcase their creations at a state-level exhbition. It is encouraging that students from government schools have equally won the competition with private school students. After this, the students will compete at state and then at national level, said Vibha Chauhan, principal of the Inter college and organizer of the event. The exhibition was conducted by the UP Government under the INSPIRE Award Scheme of the Union ministry of science and technology. Six districts including Gautam Budh Nagar, Ghaziabad, Meerut, Baghpat, Hapur, and Bulandshahr participated.

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