Energy & Green Tech
Solar energy is at the forefront of the global shift toward producing sustainable energy sources and addressing energy poverty. However, the intermittent nature of solar energy limits its use for applications such as IoT ...
May 8, 2023 dialog
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Energy & Green Tech
In a world hungry for clean energy, engineers have created a new material that converts the simple mechanical vibrations all around us into electricity to power sensors in everything from pacemakers to spacecraft.
May 3, 2023
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125
Electronics & Semiconductors
In recent years, material scientists have been trying to develop soft and flexible fibers that could be used to create new electronics. These fibers could, for example, be used to create smart sensing clothes, energy solutions, ...
May 18, 2023 feature
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166
Electronics & Semiconductors
You may not have heard of piezoelectric materials, but odds are, you have benefitted from them.
May 8, 2023
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Energy & Green Tech
Australia's oldest coal-fired power plant was shuttered Friday, as the country—a once-notorious climate straggler—prepares for a seismic shift towards renewable energy.
Apr 28, 2023
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Engineering
"God mode," for those who aren't gamers, is a mode of operation (or cheat) built into some types of games based around shooting things. In God mode you are invulnerable to damage and you never run out of ammunition.
May 1, 2023
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Engineering
Silicon anode batteries have the potential to revolutionize energy storage capabilities, which is key to meeting climate goals and unlocking the full potential of electric vehicles.
May 15, 2023
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Business
Biomass energy is a form of solar energy stored in biomass through plant photosynthesis. It is a renewable energy and the only renewable carbon source. China has abundant biomass resources, and previous studies have emphasized ...
May 5, 2023
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Business
Developers seeking to deploy advanced nuclear reactors can find high market potential in states with energy-intensive industries, nuclear-friendly laws, and widespread social acceptance—factors outlined in a new report ...
May 15, 2023
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Energy & Green Tech
When Doc Brown fed his DeLorean food scraps in Back to the Future as fuel, it seemed like crazy science fiction.
May 3, 2023
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In physics, energy (from the Greek ἐνέργεια - energeia, "activity, operation", from ἐνεργός - energos, "active, working") is a scalar physical quantity that describes the amount of work that can be performed by a force, an attribute of objects and systems that is subject to a conservation law. Different forms of energy include kinetic, potential, thermal, gravitational, sound, light, elastic, and electromagnetic energy. The forms of energy are often named after a related force.
Any form of energy can be transformed into another form, but the total energy always remains the same. This principle, the conservation of energy, was first postulated in the early 19th century, and applies to any isolated system. According to Noether's theorem, the conservation of energy is a consequence of the fact that the laws of physics do not change over time.
Although the total energy of a system does not change with time, its value may depend on the frame of reference. For example, a seated passenger in a moving airplane has zero kinetic energy relative to the airplane, but non-zero kinetic energy relative to the Earth.
This text uses material from Wikipedia, licensed under CC BY-SA
