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A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.
The RepRap Morgan is an open-source fused deposition modeling 3D printer.The Morgan is part of the RepRap project and has an unusual SCARA arm design. [1] The first Morgan printer was designed by Quentin Harley, a South African engineer (working for Siemens at the time) at the House4Hack Makerspace in Centurion. [2]
Graphical representation of the Torino scale. The sizes are approximate. Energy is in TNT equivalent.. The Torino scale is a method for categorizing the impact hazard associated with near-Earth objects (NEOs) such as asteroids and comets.
Spanish police said Sunday they dismantled a human trafficking ring they said had exploited more than 1,000 women in the past year, mainly Colombians and Venezuelans. "The victims, mainly of South ...
The SCARA is a type of industrial robot. The acronym stands for selective compliance assembly robot arm [1] or selective compliance articulated robot arm. [2] By virtue of the SCARA's parallel-axis joint layout, the arm is slightly compliant in the X-Y direction but rigid in the Z direction, hence the term selective compliance. This is ...
The Vickers hardness test was developed in 1921 by Robert L. Smith and George E. Sandland at Vickers Ltd as an alternative to the Brinell method to measure the hardness of materials. [1] The Vickers test is often easier to use than other hardness tests since the required calculations are independent of the size of the indenter, and the indenter ...
American Egg Board President and CEO Emily Metz said on Tuesday that the nation's egg farmers continue the fight against bird flu. She said in her statement that "volume sales of eggs at retail ...
(The Center Square) – President Donald Trump over the weekend laid down a controversial, across-the-board tariff against China. One aspect of Trump’s ongoing crackdown on trade with China may ...