Several companies have made quantum computers, but these early models have yet to demonstrate quantum advantage: the ability to outstrip ordinary supercomputers.
Prolific and highly profitable, LockBit provides ransomware as a service. Aspiring cybercriminals sign up to the scheme, and the group takes a cut. Here’s how it works.
Conventional agriculture offers farmers few choices about which crops to grow or how to raise them. A new approach uses computing to construct better strategies with lower environmental impacts.
In the future, our computer may be able to produce long-term forecasts in areas such as climate change, bushfires and financial markets – while being cheaper and more accessible than supercomputers.
Language arts students can program chatbots for literary characters.
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In the age of AI, people might wonder if there’s anything computers can’t do. The answer is yes. In fact, there are numerous problems that are beyond the reach of even the most powerful computers.
Artificial intelligence has arrived. But what is it, exactly – and what’s behind some of the most splashy AIs we have encountered to date?
Ada King, Countess of Lovelace, was more than just another mathematician.
Watercolor portrait of Ada King, Countess of Lovelace by Alfred Edward Chalon via Wikimedia
Lovelace was a prodigious math talent who learned from the giants of her time, but her linguistic and creative abilities were also important in her invention of computer programming.
We don’t know how much information the human brain can store.
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A digital twin is to a computer model as live video is to a still photo. These virtual replicas can be used to understand and make predictions about a wide range of complex systems, including people.
The world wants the pandemic to end and life to return to normal. When will that happen?
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As the country grew, each census required greater effort than the last. That problem led to the invention of the punched card – and the birth of an industry.
An illegal coltan mine in the Democratic Republic of the Congo.
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Calculating pi with unprecedented accuracy has zero scientific usefulness. But as a show of computing muscle and a mathematical curiosity, it’s endlessly intriguing.
Finding the best tour from A through B, C and D and back to A might not be that hard, but adding a few more destinations could give you a headache.
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The traveling salesperson problem is so difficult that practical solutions can never be perfect – only good enough. The challenge is coming up with the best approximations.