Aavishkaar evam khoj: Inventions & Discoveries for Children in Hindi Hindi Edition | by VIKAS KHATR

ham apane aas-paas jidhar bhee najar daalate hain, kautoohal se bharapoor udanatashtaron se judee huee vastuen dikhaee padatee hain jinake bina aaj sukhamay jeevan kee kalpana karana hamaare lie mushkil hai. lekin kisee bhee vastu ka sevheekaran karana aasaan nahin hota hai balki isake peechhe avishnanak kee drdh ichchhaashakti aur navoday kee or adamy laalasa chhipee hotee hai. prastut pustak ke liye jab hamane dainik jeevan ke upayog mein aane vaalee in vastuon ka chunaav karana shuroo kiya to hamaare liye aisa karana kathin ho gaya, kyonki aisee vastuon kee soochee kaaphee lambee hai. kaaphee soch vichaar karane ke baad hamane vigyaan ke kuchh chune hue kuchh sevaneeshents ke saath-saath khaady padaarthaaen aur saamaajik aavashyakataon se jude mahattvapoorn upachaar jaise – eks-re, maeekro kemikal avan, pijja, bargar, poteto chips, tai� phik laeet, jel, aadi. tadibiyar aadi ke avinaashakon kee kahaanee bade hee aakarshak andaaj men chitronen sahit prastut kee gaee hai. prastut pustak chhaatron aur aam lekhon ke gyaan mein vrddhi karane ke saath-saath unhen tejasveekaran aur vigyaan ke prati utsaahit karatee hai. pramukh visheshshataen- �vaigyaanik utthaan �khaady suraksha �khel sambandhee abhibhaashan