Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted by a black body (an idealized opaque, non-reflective body). It has a specific, continuous spectrum of wavelengths, inversely related to intensity, that depend only on the body's temperature, which is assumed, for the sake of calculations and theory, to be uniform and constant.
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Using a scaffold made from conductive silicon nanowires, researchers have developed artificial heart tissue that they say could be readily transplanted into natural tissue.
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Tensile cracks in brittle elastic materials can spread faster than the speed of sound – and faster than the laws of classical fracture mechanics say is possible.
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A wearable ultrasound device could help detect breast cancer earlier – and thus improve survival rates.
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A jet of frozen hydrogen provides a renewable target for laser acceleration of ion beams, in a step towards a laser-driven proton therapy system.
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We used to think that plate tectonics was a pre-requisite for life. New research suggests that might not be the case after all.
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Researchers have made unexpected discoveries when observing how water flows around partially submerged spheres. This could lead to a better understanding of fluid flow in biological systems and result in better designs of ships and aircraft.
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Researchers in China have developed an artificial synapse for neuromorphic computing based on a memristor made from a simple SrTiO₃/Nb: SrTiO₃ heterojunction. The new device is highly adaptive, with multiple synaptic functions.
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A low-cost, point-of-care test for HPV infections could provide affordable cervical cancer screening in low-resource settings.
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