Scientists take the massive decision to change the definition of the kilogram.
from BBC News - World https://ift.tt/2RXozwZ
Subscribe to:
Post Comments (Atom)
??? ???? ?? ???? ??? ???? ?? ?????? ?? ??? ???????، ??? ?? ????? ??? ???? ?? ???? ???? ??????، ??? ????? ?? ???? ??? ??? ???? ?? ?????? ?? ?????? ?????? ????? ??? ????? ??? ?????? ???? ?????? ???????، ??? ??? ????? ??? ??? ???? ?? ??????? ???? ?? ???? ???? ?????? ????? ??? ??????? ??? ????، ???? ?? ???? ????? ??? ???? ????? ?????، ???? ???? ?????? ???? ?????? ??????? ??? ??? ??????، ??? ????? ?????? ??
???? ??????
No comments:
Post a Comment