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Thermal Fluctuations

All articles tagged with #thermal fluctuations

science-and-technology2 years ago

Harnessing Graphene's Ripples: Scientists Achieve Clean Energy Breakthrough

Researchers have discovered a groundbreaking method to extract energy from ambient heat using graphene, contradicting long-established physics theories. By connecting freestanding graphene to a circuit with diodes and storage capacitors, the team demonstrated that thermal fluctuations can produce useful work by charging the capacitors. This discovery has significant commercial potential, particularly for wireless sensors, as it offers a new source of clean, limitless power that does not require a temperature gradient. The technology, known as Graphene Energy Harvester (GEH), has attracted interest from NTS Innovations, a nanotechnology company, which holds the exclusive license to develop GEH into commercial products.

science-and-technology2 years ago

"Revolutionary Breakthrough: Harvesting Energy from Graphene Ripples Unleashed by Scientists"

Scientists at the University of Arkansas, led by Paul Thibado, have developed a method to harvest energy from thermal fluctuations in graphene. By connecting a special circuit to freestanding graphene, the team has successfully harnessed energy from the random motion of particles in thermal equilibrium, overcoming a long-standing challenge in energy harvesting.

science-and-technology2 years ago

"Graphene-based Nonlinear Circuit Revolutionizes Clean Power Harvesting"

Scientists have designed a novel nonlinear circuit that harnesses clean power using graphene. The study demonstrates that thermal fluctuations of freestanding graphene, when connected to a circuit with diodes having nonlinear resistance and storage capacitors, can produce useful work by charging the storage capacitors. The researchers found that the system satisfies the laws of thermodynamics and that larger storage capacitors yield more stored charge. This breakthrough paves the way for the development of graphene energy harvesters that can gather energy from the heat of the earth and store it for later use, offering a new source of power that does not require a temperature gradient.