This CPU Has Only One Instruction

Most of us will be familiar at some level with the operation of a basic CPU, usually through exposure to microprocessors of the type that find their way into our projects. We can look at its internal block diagram and get how it works, see the registers and ALU, follow …read more

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3D Print Your Very Own Mechanical Computer

Most Hackaday readers are familiar with computers from the 70s and 80s, but what about ones even older than that? The Digi Comp 1 was a commercially available computer from the 1960s that actually cost less than a modern-day microcontroller. The catch? It was mechanical rather than electrical. Thanks to …read more

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Proprietary Fan Blows, Gets PWM Upgrade

Proprietary components are the bane of anyone who dares to try and repair their own hardware. Nonstandard sizes, lack of labeling or documentation, and unavailable spare parts are all par for the course. [Jason] was unlucky enough to have an older Dell computer with a broken, and proprietary, cooling fan …read more

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Apollo Guidance Computer Saved From The Scrap Yard

NASA needed a small and lightweight computer to send humans on their journey to the Moon and back, but computers of the day were made out of discrete components that were heavy, large, complicated, and unreliable. None of which are good qualities for spaceflight. The agency’s decision to ultimately trust …read more

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Where The Work Is Really Done – Casual Profiling

Once a program has been debugged and works properly, it might be time to start optimizing it. A common way of doing this is a method called profiling – watching a program execute and counting the amount of computing time each step in the program takes. This is all well …read more

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Brain-mimicking chip uses different-colored light to learn and forget

The human brain is still a far more powerful computer than anything it itself has created so far. It’s no wonder then that engineers have recently focused on trying to emulate the structure of the brain with artificial synapses. Now, a team o… Continue reading Brain-mimicking chip uses different-colored light to learn and forget

Apollo’s brain: The computer that guided man to the Moon

When Apollo 11 touched down in the Sea of Tranquility on July 20, 1969, it was more than a triumph of the human spirit, it was also the story of a cybernetic wonder called the Apollo Guidance Computer (AGC) that helped the Apollo astronauts s… Continue reading Apollo’s brain: The computer that guided man to the Moon

Old laptop infected with the world's most dangerous malware sells for $1.34 million

The winner of the auction is unknown at this date

What happens when the vastly different worlds of modern art and computer malware collide? The answer is an installation called The Persistence of Chaos, and it just sold at auction for US$1.345 million.

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Continue reading Old laptop infected with the world's most dangerous malware sells for $1.34 million