Electronics
Scientists make germanium superconducting for the first time
Researchers have achieved superconductivity in germanium, a common semiconductor, by precisely doping it with gallium atoms. This breakthrough, detailed in a new study, could enable more efficient quantum devices and cryogenic electronics. The material conducts electricity with zero resistance at 3.5 Kelvin.
Samsung and Lenovo Showcase at IFA 2025
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At the IFA 2025 expo in Berlin, Samsung showcased ultra-light tablets, while Lenovo presented a rotating-display concept, highlighting innovations in consumer electronics.
Researchers create 10-atom-thick memory chips for devices
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Scientists have developed a working memory chip just 10 atoms thick, integrated with conventional chips to potentially boost storage in smartphones and other electronics. The prototype, made from 2D materials, addresses limits in current chip stacking. While promising, experts note it is far from commercial readiness.
Electrons in graphene reach supersonic speeds for first time
Researchers have achieved a breakthrough by pushing electrons in graphene to supersonic speeds, creating a hydraulic jump similar to a sonic boom. This experiment, conducted using a microscopic nozzle, marks the first observation of such electron behavior. The findings could help resolve debates on electrically charged shockwaves.