Every so often a news article appears that shows a disabled person directing movement of a computer cursor or a prosthetic hand with thought alone. But why would anyone choose to have a hole drilled through his or her skull to embed a computer chip in the brain unless warranted by a severe medical condition?
Source: scientificamerican.com
We’ve developed a simple meta-learning algorithm called Reptile which works by repeatedly sampling a task, performing stochastic gradient descent on it, and updating the initial parameters towards the final parameters learned on that task. This method performs as well as MAML, a broadly applicable meta-learning algorithm, while being simpler to implement and more computationally efficient.
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The first time Frank Keutsch heard about solar geoengineering, he thought the idea was terrifying. To the Harvard University atmospheric chemist, schemes such as spraying millions of tons of sulfate particles into the sky to reflect the sun’s rays and cool the planet seemed perilous. Not only might the strategies disrupt the atmosphere in unexpected ways, but they might also dramatically alter the weather and harm the lives of Earth’s inhabitants.
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