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Related Concept Videos

Machines01:19

Machines

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
Mechanical Efficiency of Real Machines01:14

Mechanical Efficiency of Real Machines

The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
Microtubule Associated Motor Proteins01:32

Microtubule Associated Motor Proteins

Eukaryotic cells have different motor proteins for transporting various cargo within the cell. These motor proteins differ based on the filament they associate with, the direction they move within the cell, and the type of cargo they transport. Motor proteins that associate with microtubules are known as microtubule-associated motor proteins. There are two families of microtubule-associated motor proteins —Kinesins and Dyneins. Both these proteins assist in the transport of cellular cargos...
Regulated mRNA Transport02:22

Regulated mRNA Transport

In eukaryotes, transcription and translation are compartmentalized; an mRNA is first synthesized in the nucleus and then selectively transported to the cytoplasm for protein synthesis. Before transport, a pre-mRNA undergoes several steps of post-transcriptional modifications including splicing, 5' capping, and the addition of a poly-adenine tail. Various proteins bind to the pre-mRNA during these modifications. The mRNA transport takes place with the help of multiple proteins playing specific...
Average Velocity01:12

Average Velocity

To calculate the other physical quantities in kinematics, we must introduce the time variable. The time variable allows us not only to state the position of the object during its motion, but also how fast it is moving. The speed at which an object is moving is given by the rate at which the position changes with time. For each position xi, we assign a particular time ti. If the details of the motion at each instant are not important, the rate is usually expressed as the average velocity. This...

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Insect-machine Hybrid System: Remote Radio Control of a Freely Flying Beetle (Mercynorrhina torquata)
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The Foregger Midget: a machine that traveled.

Christine M Ball1

  • 1* Anesthesiologist, Alfred Hospital, Prahran, Australia; Teaching Associate, Monash University, Victoria, Australia; and Honorary Curator, Geoffrey Kaye Museum of Anesthetic History, Melbourne, Australia.

Anesthesiology
|July 11, 2013
PubMed
Summary
This summary is machine-generated.

The Foregger Company, a key anesthetic equipment manufacturer, celebrates its 100th anniversary. Its innovative machines, developed with leading anesthesiologists, significantly advanced patient care in the early 20th century.

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Area of Science:

  • Medical Engineering
  • History of Medicine
  • Anesthesiology

Background:

  • Founded in 1914 by Richard von Foregger, the Foregger Company became a pivotal manufacturer of anesthetic equipment.
  • The company's early success was driven by collaborations with prominent anesthesiologists.

Observation:

  • The Gwathmey machine, utilizing James Tayloe Gwathmey's flowmeter, was the Foregger Company's foundational product.
  • Further innovations included the Waters to-and-fro canister for carbon dioxide absorption and Arthur Guedel's nontraumatic airways.

Findings:

  • The Foregger Midget, a portable anesthetic machine, represented a significant advancement in anesthetic delivery.
  • This portable design facilitated the widespread adoption of Foregger equipment internationally.

Implications:

  • The Foregger Company's contributions profoundly impacted the development of modern anesthetic machines.
  • Their collaborative approach set a precedent for innovation in medical device manufacturing.