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Kinematic Models

In the late 19th and early 20th centuries, physical models were widely used by mathematics educators to depict a wide range of mathematical ideas in three dimensions. Most models were constructed in ...
The New Indian Express

China develops 3D conic device to increase solar-thermal conversion

BEIJING: Chinese scientists have developed a new device of 3D hollow-cone structure that can greatly increase the solar-thermal conversion efficiency. The device, named 'Artificial Transpiration' by ...
Nature

Solid Geometry and Conic Sections, with Appendices on Transversals and Harmonic Division; for the Use of Schools Geometrical Note-Book, containing Easy Problems in Gemotrical ...

THESE works are by mathematical masters at Rugby School. Their united aim (in connection with Mr. Wilson's two previous parts) is to provide a complete course of geometrical teaching, and so to meet a ...
Nature

Geometrical Conic Sections: The Geometry of Conics

MR. TAYLOR's present work is by no means a second edition of his “Geometrical Conies”(1863). His object in this volume is a highly laudable one; from more than one quarter has recently come the ...