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English: The vertical access is the percentage of fossil vs non-fossil sources in the energy mix. The horizontal access is time from 2016 to 2050. The horizontal access is time from 2016 to 2050. Various source 'peaks' are shown and milestones in the trasition flagged in their projected positions on the timeline.
The word energy derives from Greek word "energeia" (Greek: ἐνέργεια) meaning actuality, which appears for the first time in the 4th century BCE in various works of Aristotle [1] when discussing potentiality and actuality including Physics, Metaphysics, Nicomachean Ethics [2] and On the Soul.
Global energy consumption, measured in exajoules per year: Coal, oil, and natural gas remain the primary global energy sources even as renewables have begun rapidly increasing. [1] Primary energy consumption by source (worldwide) from 1965 to 2020 [2] World energy supply and consumption refers to the global supply of energy resources and its ...
Max Dieckmann and Gustav Glage use the Braun tube for playback of 20-line black-and-white images. The first jukebox with records comes on the market. American Brigadier General Henry Harrison Chase Dunwoody files for a patent for a carborundum steel detector for use in a crystal radio, an improved version of the Cat's-whisker detector.
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US energy use (values in quad/year, each equal to 290 TWh/year) US oil reserves increased until 1970, then began to decline. Grand Coulee Dam in Washington State. In the early days of the Republic, energy policy allowed free use of standing timber for heating and industry. Wind and water provided energy for tasks such as milling grain.
1964 - Farrington Daniels' landmark book, Direct Use of the Sun's Energy, published by Yale University Press. 1967 - Soyuz 1 is the first crewed spacecraft to be powered by solar cells 1967 - Akira Fujishima discovers the Honda-Fujishima effect which is used for hydrolysis in the photoelectrochemical cell .
First to use the word "gas". 1650 – Turquet de Mayerne obtains a gas or "inflammable air" by the action of dilute sulphuric acid on iron. 1662 – Boyle's law (gas law relating pressure and volume). 1670 – Robert Boyle produces hydrogen by reacting metals with acid.