The G20, or Group of Twenty, is an international forum of 19 countries and the European Union. The G20 represents the world's major economies and brings together leaders from these countries to discuss and coordinate global economic and financial issues. The member countries include Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, Saudi Arabia, South Africa, South Korea, Turkey, the United Kingdom, and the United States. The G20 accounts for around 85% of the global gross domestic product (GDP) and two-thirds of the world's population. The G20 holds annual summits where leaders discuss various issues, including economic growth, international trade, financial regulation, and climate change.
Human hands let us solve a wide variety of tasks. For the past 60 years of robotics, hard tasks which humans accomplish with their fixed pair of hands have required designing a custom robot for each task . As an alternative, people have spent many decades trying to use general-purpose robotic hardware , but with limited success due to their high degrees of freedom. In particular, the hardware we use here is not new—the robot hand we use has been around for the last 15 years—but the software approach is. Since May 2017, we’ve been trying to train a human-like robotic hand to solve the Rubik’s Cube . We set this goal because we believe that successful training such a robotic hand to do complex manipulation tasks lays the foundation for general-purpose robots. We solved the Rubik’s Cube in simulation in July 2017. But as of July 2018, we could only manipulate a block on the robot. Now, we’ve reached our initial goal.

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