资讯

Graphene is stronger than steel and a better conductor that copper, making the two-dimensional material of particular ...
There are plenty of fish in the sea, but how can you count stock levels or protect endangered fish without seeing or catching ...
Populations live in rapidly changing environments—droughts come and go, food sources change, human activities reshape ...
Graphene makes the body act as a ‘battery’, with wings and chassis also serving energy storage functions, increasing space utilization by 27%. Experiments show that drones can reduce weight by 23% and ...