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EntertainmentThis Friday will determine the existence of the kilogram unit
For over 100 years, Paris has been the home of Le Grand K - a metal block that defines the exact weight of a kilogram.Official: 1 kilogram is no longer 1 kilogram, and so are 3 other basic quantities
Since the World Science Measurement Day 20/5/2019, the definition of a new kilogram will be officially applied.
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Công ty Mỹ phát triển tàu tốc độ 250km/h bay sát mặt nước
Where do people go after death? Scientists reveal the incredible answer!
Japan announces new breakthrough to help destroy many types of cancer
Why can black holes bend space-time?
Why do we feel 'suffocated' when under pressure?
Everyone has been fooled by the concept of '8 hours of sleep'! What is the best amount of sleep?
Unexpected discovery while 'saving' ancient monastery on steep cliff
Scary strange creatures discovered in Australian waters
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