More on International Women's Day from The National:
The new Seera podcast: designer Aljoud Lootah on creating a gift for Pope Francis
How the women of Adnoc are changing the mindset of the oil and gas sector
Emirati women should be proud of their accomplishments, says Sheikha Fatima
Organisers push through backlash to hold Pakistan’s International Women’s Day march
Opinion: A women's day in 2020 only helps maintain status quo on equality
Child marriage remains a major threat for girls in Jordan
Google honours International Women's Day with special animated doodle
What is graphene?
Graphene is a single layer of carbon atoms arranged like honeycomb.
It was discovered in 2004, when Russian-born Manchester scientists Andrei Geim and Kostya Novoselov were "playing about" with sticky tape and graphite - the material used as "lead" in pencils.
Placing the tape on the graphite and peeling it, they managed to rip off thin flakes of carbon. In the beginning they got flakes consisting of many layers of graphene. But as they repeated the process many times, the flakes got thinner.
By separating the graphite fragments repeatedly, they managed to create flakes that were just one atom thick. Their experiment had led to graphene being isolated for the very first time.
At the time, many believed it was impossible for such thin crystalline materials to be stable. But examined under a microscope, the material remained stable, and when tested was found to have incredible properties.
It is many times times stronger than steel, yet incredibly lightweight and flexible. It is electrically and thermally conductive but also transparent. The world's first 2D material, it is one million times thinner than the diameter of a single human hair.
But the 'sticky tape' method would not work on an industrial scale. Since then, scientists have been working on manufacturing graphene, to make use of its incredible properties.
In 2010, Geim and Novoselov were awarded the Nobel Prize for Physics. Their discovery meant physicists could study a new class of two-dimensional materials with unique properties.
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Roger Federer's 2018 record
Australian Open Champion
Rotterdam Champion
Indian Wells Runner-up
Miami Second round
Stuttgart Champion
Halle Runner-up
Wimbledon Quarter-finals
Cincinnati Runner-up
US Open Fourth round
Shanghai Semi-finals
Basel Champion
Paris Masters Semi-finals