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Hello i am student my hobby is physics and math but there is a problem aside of physics i take lessons with theory only not practicle

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The memristor (/ˈmɛmrɨstər/; a portmanteau of "memory resistor") was originally envisioned in 1971 by circuit theorist Leon Chua as a missing non-linear passive two-terminal electrical component relating electric charge and magnetic flux linkage.[1] Leon Chua has more recently argued that the definition could be generalized to cover all forms of 2-terminal non-volatile memory devices based on resistance switching effects[2] although some experimental evidence contradicts this claim, since a non-passive nanobattery effect is observable in resistance switching memory.[3] Chua also argued that the memristor is the oldest known circuit element with its effects predating the resistor, capacitor and inductor.[4] The memristor is currently under development by various teams including Hewlett-Packard, SK Hynix and HRL Laboratories.

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Tech Data (TECD) became the first of EMC’s (EMC) four distributors to publicly announce its intentions to carry the vendor’s new flash-optimized VNX storage array and upgraded VSPEX Proven Infrastructure configurations.

The distributor said it will house and support EMC’s second-generation VNX unified solution through its Advanced Infrastructure Solutions (AIS) division.

EMC showed off the updated VNX technology, based on the concept of optimizing rather than accommodating flash, at an event Wednesday in Milan, Italy. According to EMC, the new version can provide up to 1.1 million IOPS (I/O operations per second), 30Gbps bandwidth with a doubled maximum capacity to 6PB. EMC is positioning it as a storage breakthrough for midrange virtual environments when coupled with the vendor’s new MCx software to maximize flash performance. An EMC Unisphere Management Suite is intended to improve management productivity and provide tight integration with VMware (VMW) vSphere and Microsoft (MSFT) Hyper-V.
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NASA Fuel cell stack
Direct-methanol cell.
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The lithium-air battery, Li-air for short, is a metal-air battery chemistry that uses the oxidation of lithium at the anode and reduction of oxygen at the cathode to induce a current flow. Originally proposed in the 1970s as a possible power source for electric vehicles, Li-air batteries recaptured scientific interest in the late 2000s due to advances in materials technology and an increasing demand for environmentally safe and oil-independent energy sources.

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The concept of a vortex engine or atmospheric vortex engine (AVE), independently proposed by Norman Louat[1] and Louis M. Michaud,[2] aims to replace large physical chimneys with a vortex of air created by a shorter, less-expensive structure.

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New trends in automation and mechanical engineering
New trends in automation


Scientific success thanks to new developments in the field of automation

Automation increases production productivity, efficiency, and quality.
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