Tech firms look for natural food colours

Suzanne Bearne Technology Reporter Fermentalg There are hundreds of thousands of microalgae species French firm Fermentalg has been all over the planet in its search for useful microalgae. “One of our lucky scientists got to go and climb the volcanoes in the Caribbean for example, and I have to restrain myself from collecting more every…

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Scientists just cracked the cryptographic code behind quantum supremacy

Experts say quantum computing is the future of computers. Unlike conventional computers, quantum computers leverage the properties of quantum physics such as superposition and interference, theoretically outperforming current equipment to an exponential degree. When a quantum computer is able to solve a problem unfeasible for current technologies, this is called the quantum advantage. However, this…

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WhoFi tracks people by reading Wi-Fi disturbances, offering camera-free surveillance with worrying accuracy

WhoFi uses Wi‑Fi signal distortions to fingerprint individuals without visual data Deep neural network maps signal changes to identify people with near‑perfect accuracy Academic research opens new privacy debates around biometric tracking via Wi‑Fi signals Researchers at La Sapienza University in Rome have created WhoFi, a system which claims to be able to identify individuals…

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Ghost particles may secretly decide the fate of collapsing stars

Neutrinos are cosmic tricksters, paradoxically hardly there but lethal to stars significantly more massive than the sun. These elementary particles come in three known “flavors”: electron, muon and tau. Whatever the flavor, neutrinos are notoriously slippery, and much about their properties remains mysterious. It is almost impossible to collide neutrinos with each other in the…

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Images stolen from women’s dating safety app that vets men

A dating safety app that allows women to do background checks on men and anonymously share “red flag” behaviour has been hacked, exposing thousands of members’ images, posts and comments. Tea Dating Advice, a US-based women-only app with 1.6 million users, said there had been “unauthorised access” to 72,000 images submitted by women. Some included…

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