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Category: computing – Page 699

Often, different biohacking scenes reflect the different societies and cultures in which they develop. So, for example, European biohackers generally differ from their North American counterparts. North American groups are concerned with developing alternatives to the established healthcare practices. European groups, meanwhile, are more focused on finding ways of helping people in developing countries or engaging in artistic bio-projects.

Sweden’s deep relationship with digital technology helps explain why its biohacking scene is so unique.

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You didn’t think scientists would let IBM’s “world’s smallest computer” boast go unchallenged, did you? Sure enough, University of Michigan has produced a temperature sensing ‘computer’ measuring 0.04 cubic millimeters, or about a tenth the size of IBM’s former record-setter. It’s so small that one grain of rice seems gigantic in comparison — and it’s so sensitive that its transmission LED could instigate currents in its circuits.

The size limitations forced researchers to get creative to reduce the effect of light. They switched from diodes to switched capacitors, and had to fight the relative increase in electrical noise that comes from running on a device that uses so little power.

The result is a sensor that can measure changes in extremely small regions, like a group of cells in your body. Scientists have suspected that tumors are slightly hotter than healthy tissue, but it’s been difficult to verify this until now. The minuscule device could both check this claim and, if it proves true, gauge the effectiveness of cancer treatments. The team also envisions this helping to diagnose glaucoma from inside the eye, monitor biochemical processes and even study tiny snails.

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This video is the eighth in a multi-part series discussing computing and the first discussing non-classical computing. In this video, we’ll be discussing what optical computing is and the impact it will have on the field of computing.

[0:27–6:03] Starting off we’ll discuss, what optical computing/photonic computing is. More specifically, how this paradigm shift is different from typical classical (electron-based computers) and the benefits it will bring to computational performance and efficiency!

[6:03–10:25] Following that we’ll look at, current optical computing initiatives including: optical co-processors, optical RAM, optoelectronic devices, silicon photonics and more!

Thank you to the patron(s) who supported this video ➤

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The way that electrons paired as composite particles or arranged in lines interact with each other within a semiconductor provides new design opportunities for electronics, according to recent findings in Nature Communications.

What this means for , such as those that send information throughout , is not yet clear, but hydrostatic can be used to tune the interaction so that electrons paired as composite particles switch between paired, or “superconductor-like,” and lined-up, or “nematic,” phases. Forcing these phases to interact also suggests that they can influence each other’s properties, like stability – opening up possibilities for manipulation in electronic devices and quantum computing.

“You can literally have hundreds of different phases of electrons organizing themselves in different ways in a semiconductor,” said Gábor Csáthy, Purdue professor of physics and astronomy. “We found that two in particular can actually talk to each other in the presence of hydrostatic pressure.”

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Intel researchers are taking new steps toward quantum computers by testing a tiny new “spin qubit” chip. The new chip was created in Intel’s D1D Fab in Oregon using the same silicon manufacturing techniques that the company has perfected for creating billions of traditional computer chips. Smaller than a pencil’s eraser, it is the tiniest quantum computing chip Intel has made.

The new spin qubit chip runs at the extremely low temperatures required for quantum computing: roughly 460 degrees below zero Fahrenheit – 250 times colder than space.

The spin qubit chip does not contain transistors – the on/off switches that form the basis of today’s computing devices – but qubits (short for “quantum bits”) that can hold a single electron. The behavior of that single electron, which can be in multiple spin states simultaneously, offers vastly greater computing power than today’s transistors, and is the basis of quantum computing.

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Microsoft is “all-in” on building a quantum computer and is making advancements “every day”, according to one of the company’s top experts on the technology.

Julie Love (above), Director of Quantum Computing, called the firm’s push to build the next generation of computer technology “one of the biggest disruptive bets we have made as a company”.

Quantum computing has the potential to help humans tackle some of the world’s biggest problems in areas such as materials science, chemistry, genetics, medicine and the environment. It uses the physics of qubits to create a way of computing that can work on specific kinds of problems that are impossible with today’s computers. In theory, a problem that would take today’s machines billions of years to solve could be completed by a quantum computer in minutes, hours or days.

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