हमें कैसे पता चला अति-सम्वाहक्शीलता (सुपर-कंडकटिविटी) के बारे में : आइजक एसिमोव द्वारा हिंदी पीडीऍफ़ पुस्तक – विज्ञान | Hamen Kaise Pata Chala Ati-Samvahakshilata (Super-Conductivity) Ke Bare Mein : by Isaac Asimov Hindi PDF Book – Science (Vigyan)
Pustak Ka Vivaran : Ham Janate hai ki Rat ki Apeksha din mein Tapman Adhik hota hai. Ham yah bhi janate hain ki garmi tapaan sardi se adhik hota hai. Ham yah bhee janate hai ki kuchh padarth, jaise ki ubalata huya pani ya machis kee jalati huyi tilli bahut garm hoti hai–itanee garm ki unhen chhoone se ham jhulas sakate hai. IsI tarah–sookhI………….
Description about eBook : We know that the temperature is higher during the day than at night. We also know that summer temperatures are higher than winter. We also know that some substances, such as boiling water or the burning spleen of a matchbox are very hot – so hot that we can get scorched by touching them. Likewise – dry…………..
