Wedge
Wedge - Related Videos
01:24
Wedges
0 Views •
2025
A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects. Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...
06:33
Preparing Wedge Brain Slices to Visualize Auditory Neurons
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2025
This video demonstrates the process of preparing wedge-shaped brain slices in a laboratory setting. Using a vibratome, a wedge-shaped slice from a mouse's brain is crafted with varying thickness. This slice contains the auditory nerve root positioned on the thicker end, while the hearing-related neurons are located on the thinner end.
02:59
Auditory Nerve Root Stimulation and Postsynaptic Current Recordings in a Mouse Brain Wedge Slice
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2025
This video demonstrates a protocol for stimulating the auditory nerve root and recording postsynaptic currents in medial olivocochlear neurons in mouse brain wedge slices.
10:31
In Vitro Wedge Slice Preparation for Mimicking In Vivo Neuronal Circuit Connectivity
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Cited by 3 •
2020
Integration of diverse synaptic inputs to neurons is best measured in a preparation that preserves all pre-synaptic nuclei for natural timing and circuit plasticity, but brain slices typically sever many connections. We developed a modified brain slice to mimic in vivo circuit activity while maintaining in vitro experimentation capability.
07:27
Robotics in Surgery: A Modular Robotic Platform Driven Gastric Wedge Resection
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2025
Robotically assisted surgery has become highly popular in recent years. Presented here is the standard care for upper gastrointestinal procedures, including a demonstration of a robotic-assisted gastric wedge resection using a modular robotic device.
FAQs
Wedge angle changes how an applied force is distributed through the sloping surfaces and working edge. Engineers consider this angle together with friction and the strength of the material being acted on. The design choice affects whether the wedge more effectively separates, cuts, lifts, or holds, so angle selection must match the intended action and the resistance encountered.
The tapered geometry narrows the area receiving the applied force, concentrating stress at the tip or edge instead of spreading it across a broad surface. This localized stress helps the wedge overcome resistance and initiate actions such as cutting or splitting. Engineers must balance concentration with material strength so the working edge remains suitable for its intended use.
Friction influences how efficiently a wedge transfers applied force and how securely it remains in position. A design intended to hold, such as a doorstop or anchor, depends on stability, while a cutting or splitting tool must transfer force effectively. Engineers therefore consider friction alongside wedge angle when optimizing efficiency, stability, wear resistance, and safety.
Material strength determines how well a wedge and the surrounding material can withstand the concentrated stresses produced during use. Engineers include strength when selecting a geometry for separating, cutting, lifting, or holding tasks. Considering it with friction and wedge angle supports designs that maintain performance, limit wear, and improve safety under the intended resistance.
Engineers match the wedge geometry and operating conditions to the required action. Knives and chisels apply concentrated force for cutting, while splitting tools use the same force-transfer principle to separate material. Doorstops and anchors emphasize holding or stability. Comparing the intended action with resistance, friction, angle, and material strength helps guide the design choice.
Wedges appear in tools and mechanical systems that require controlled force transfer. Knives and chisels support cutting, splitting tools separate material, and doorstops or anchors provide holding action. These examples show how one geometric principle can serve different engineering purposes, with performance depending on the relationship among shape, applied force, friction, and material strength.
Wedge evaluation can focus on efficiency, stability, wear resistance, and safety. Engineers examine how effectively the geometry transfers force, whether the system remains secure, and whether the materials tolerate concentrated stress and repeated use. These outcomes provide a practical basis for refining wedge angle, accounting for friction, and matching material strength to the required application.