Hi-tech glasses offer alternative to bifocals
The regular prescription lenses can change to bifocals and back again at the touch of a button.
from BBC News - Home https://ift.tt/2CUVqis
via
from BBC News - Home https://ift.tt/2CUVqis
via
Mars rock found in Niger sells for millions in New York - now the country wants answers
The West African country investigates how a space rock found there was put up for sale in New York. from BBC News https://ift.tt/gVkA5X4 via
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