Researchers have entangled two calcium ions trapped in optical cavities 230 m apart – a record distance for these quantum particles.
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A quantum computer is a computer that exploits quantum mechanical phenomena. At small scales, physical matter exhibits properties of both particles and waves, and quantum computing leverages this behavior using specialized hardware. Classical physics cannot explain the operation of these quantum devices, and a scalable quantum computer could perform some calculations exponentially faster than any modern "classical" computer. In particular, a large-scale quantum computer could break widely used encryption schemes and aid physicists in performing physical simulations; however, the current state of the art is largely experimental and impractical.
The basic unit of information in quantum computing is the qubit, similar to the bit in traditional digital electronics. Unlike a classical bit, a qubit can exist in a superposition of its two "basis" states, which loosely means that it is in both states simultaneously. When measuring a qubit, the result is a probabilistic output of a classical bit. If a quantum computer manipulates the qubit in a particular way, wave interference effects can amplify the desired measurement results. The design of quantum algorithms involves creating procedures that allow a quantum computer to perform calculations efficiently.
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The basic unit of information in quantum computing is the qubit, similar to the bit in traditional digital electronics. Unlike a classical bit, a qubit can exist in a superposition of its two "basis" states, which loosely means that it is in both states simultaneously. When measuring a qubit, the result is a probabilistic output of a classical bit. If a quantum computer manipulates the qubit in a particular way, wave interference effects can amplify the desired measurement results. The design of quantum algorithms involves creating procedures that allow a quantum computer to perform calculations efficiently.
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A new nanosurgery technique targets cancer cells from inside the tumour, sparing healthy tissue in the process.
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A new solar-radiation-concentrating device produces “green” hydrogen at a rate of more than 2 kW while maintaining efficiencies above 20%.
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🌠 WHY ASTEROIDS HAVE IRREGULAR SHAPES BUT PLANETS ARE SPHERICAL ❔
🌐 Gravity shapes the planets into a spherical shape because it pulls the body equally in all directions. But during the formation period, everything was at molten state and asteroids froze quickly because of their small size, so gravity didn't get longer to shape it.
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Magnetohydrodynamics (MHD; also called magneto-fluid dynamics or hydromagnetics) is the study of the magnetic properties and behaviour of electrically conducting fluids. Examples of such magnetofluids include plasmas, liquid metals, salt water, and electrolytes. The word magnetohydrodynamics is derived from magneto- meaning magnetic field, hydro- meaning water, and dynamics meaning movement. The field of MHD was initiated by Hannes Alfvén, for which he received the Nobel Prize in Physics in 1970.
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Researchers in Singapore and China have devised an artificial retina device for the perception and recognition of objects emitting mid-infrared radiation.
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A swallowable X-ray dosimeter the size of a large pill capsule can monitor gastrointestinal radiotherapy in real time.
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