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Betacel is considered to be the first commercially successful betavoltaic battery. [1] [2] [3] It was developed in the early 1970s by Larry C. Olsen at the American corporation McDonnell Douglas, using the radioisotope Promethium-147 as the beta-electron source coupled to silicon semiconductor cells.
Betavolt claims it to be the first such miniaturised device ever developed. [14] It gains its energy from a sheet of nickel-63 located in a module the size of a very small coin. [12] [14] The isotope decays into stable, non-radioactive Cu-63, which pose no additional environmental threat.
Diamond battery is the name of a nuclear battery concept proposed by the University of Bristol Cabot Institute during its annual lecture [1] held on 25 November 2016 at the Wills Memorial Building.
The Chinese startup Betavolt claimed in January 2024 to have a miniature device in the pilot testing stage. [13] It is allegedly generating 100 microwatts of power and a voltage of 3V and has a lifetime of 50 years without any need for charging or maintenance. [13] Betavolt claims it to be the first such miniaturised device ever developed. [13]
Water meter in Belo Horizonte. Displacement meters are commonly referred to as Positive Displacement, or "PD" meters. Two common types are oscillating piston meters and nutating disk meters. Either method relies on the water to physically displace the moving measuring element in direct proportion to the amount of water that passes through the ...
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Through his YouTube account Thunderf00t, Mason produced a series of videos titled "Why do people laugh at creationists?", focusing primarily on Kent Hovind's arguments in public seminars. Sociologist Richard Cimino has described the tone of these videos as "that of the professional, well-educated, and articulate British academic expert exposing ...