Recent content by parsadsa

doste gerami mazerat labtopam farsi nadareh e-bomb yek shoke electro meghnatis mifresteh yani electron haro ba shedat a tedade bala partab mikonan k vaghti be har felezi barkhord mikoneh electronha daresh be harkat mioftan vaghti chizi ke tavane obore in shedat az electron ro nadareh nabod...