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Archive for the ‘computing’ category: Page 53

Aug 13, 2024

Brain implants to restore sight, like Neuralink’s Blindsight, face a fundamental problem − more pixels don’t ensure better vision

Posted by in categories: computing, cyborgs, neuroscience, transhumanism

Engineers have tried for decades to develop bionic eyes to reverse blindness. But the brain is far more complex than a computer.

Aug 13, 2024

GhostWrite: New T-Head CPU Bugs Expose Devices to Unrestricted Attacks

Posted by in category: computing

Researchers uncover GhostWrite vulnerability in T-Head RISC-V CPUs, allowing unrestricted access to memory and devices. Mitigation impacts performance.

Aug 13, 2024

Hybrid RF-VLC system could reduce power consumption in wireless networks

Posted by in categories: computing, internet

Wireless internet supports the daily activities of countless people worldwide, ranging from their professional communications to internet browsing and the streaming of movies or TV series. This spiking demand for wireless internet access goes hand in hand with greater power consumption, which in turn contributes to carbon emissions worldwide.

Future wireless networks should be able to support the high computational demands of many modern applications and internet services, while limiting power consumption. Some researchers have thus been developing energy efficient techniques supporting between devices and the sharing of media or other information online.

One of these solutions is known as communication (VLC). This is a method to realize efficient wireless communication using visible light to transmit data, relying on (LEDs) or other artificial light sources.

Aug 13, 2024

Unique transistor ‘could change the world of electronics’ thanks to nanosecond-scale switching speeds and refusal to wear out

Posted by in categories: computing, materials

A new material can withstand ‘billions’ of electrical cycles without wearing out — and scientists say it could transform electronics within 10 to 20 years.

Aug 13, 2024

Discrete and Continuous Processes in Computers and Brains

Posted by in categories: computing, neuroscience, physics

Theories of computation and theories of the brain have close historical interrelations, the best-known examples being Turing’s introspective use of the brain’s operation as a model for his idealized computing machine (Turing 1936), McCulloch’s and Pitts’ use of ideal switching elements to model the brain (McCulloch and Pitts 1943), and von Neumann’s comparison of the logic and physics of both brains and computers (von Neumann 1958).

Aug 13, 2024

How quantum computing will change our world | Intel

Posted by in categories: chemistry, computing, quantum physics

Jim Clarke, Director of Quantum Hardware at Intel Labs, discusses how chemistry and physics drive the development of qubits in these unique systems. These systems will bring mind-blowing computing power to the world in the next decade and beyond.

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Aug 13, 2024

What Are the Benefits of Integrating Nanotechnology into IoT?

Posted by in categories: business, computing, nanotechnology

With inventions like a nanomaterial-based battery for IoT and nanoscale transistors, the future of nanotechnology in this field seems to have potential. For now, any large-scale applications are likely years away. Companies must overcome technical, cost, and implementation hurdles before progressing to mass-market applications.

However, numerous nanoscale-sized discoveries and inventions will likely emerge in the coming years. As the value of nanotechnologies and IoT continue increasing, more investors, business owners, and researchers will explore possible use cases. While their inventions may not hit shelves for years, their development speed will surely accelerate.

Aug 13, 2024

An automated scheme for optical lens design looks set to enhance mobile phone cameras

Posted by in categories: computing, mobile phones, robotics/AI

An automated computational approach to the optical lens design of imaging systems promises to provide optimal solutions without human intervention, slashing the time and cost usually required. The result could be improved cameras for mobile phones with superior quality or new functionality.

Aug 12, 2024

Tiny graphene-based magnetic devices could lead to much smaller — and way more powerful — processors in the future

Posted by in categories: computing, materials

Atomic-scale 2D magnets can be polarized to represent binary states — the 1s and 0s of computing data. These can lead to far more dense and energy-efficient components.

Aug 12, 2024

Quantum computers can accelerate the transition to net zero power grids

Posted by in categories: computing, quantum physics

Researchers are studying how quantum computers can help optimise net-zero power grid operation and expansion planning.

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