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An animal engine is a machine powered by an animal. Horses, donkeys, oxen, dogs, and humans have all been used in this way.
A piezoelectric motor or piezo motor is a type of electric motor based upon the change in shape of a piezoelectric material when an electric field is applied. Piezoelectric motors make use of the converse piezoelectric effect whereby the material produces acoustic or ultrasonic vibrations to produce linear or rotary motion. [ 85 ]
Many details must be discussed between the artist and scientist before a final drawing can be completed, and additional preliminary drawings must be prepared in order to work out aesthetic details. Pen and ink (often a flex nib fountain pen) line illustrations are clean, crisp, clear, and inexpensive to produce, making them ideal for biological ...
This category contains articles about non-human animals that create works of art. Subcategories. This category has only the following subcategory. A. Art by primates ...
1893 advertisements in Farm Journal for horse tread powers and sweep powers, and for various mills that horses can power (feed/fodder cutters and grain grinders). A horse engine (also called a horse power or horse-power) is a (now largely obsolete) machine for using draft horses to power other machinery.
Animal-made art consists of works by non-human animals, that have been considered by humans to be artistic, including visual works, music, photography, and videography. Some of these are created naturally by animals, often as courtship displays , while others are created with human involvement.
Horseless carriage is an early name for the motor car or automobile. Prior to the invention of the motor car, carriages were usually pulled by animals, typically horses. The term can be compared to other transitional terms, such as wireless phone. These are cases in which a new technology is compared to an older one by describing what the new ...
A compound DC motor connects the armature and fields windings in a shunt and a series combination to give it characteristics of both a shunt and a series DC motor. [5] This motor is used when both a high starting torque and good speed regulation is needed. The motor can be connected in two arrangements: cumulatively or differentially.