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Related Concept Videos

Pressure Gauges01:20

Pressure Gauges

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Most pressure gauges, like those on scuba tanks, are calibrated to read zero at atmospheric pressure. Readings from such gauges are called the gauge pressure, which is the pressure relative to atmospheric pressure. When the pressure inside the tank exceeds atmospheric pressure, the gauge reports a positive value. Some gauges are designed to measure negative pressure. For example, many physics experiments must take place in a vacuum chamber, a rigid chamber from which some of the air is pumped...
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Measurement of Fluid Pressure01:16

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Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
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Fluid Pressure over Flat Plate of Variable Width01:02

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When a flat plate is submerged in a fluid, the fluid exerts pressure on the plate. This pressure can lead to many different phenomena, including drag and buoyancy. To understand the behavior of the fluid over a flat plate of variable width, it is essential to analyze the distribution of the pressure exerted.
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Related Experiment Video

Updated: Jan 13, 2026

Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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Programmable Triboelectric Origami Sensors for Multidimensional Pressure Monitoring.

Tao Liu1, Rongrong Liang1, Yaping Zeng1

  • 1Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China.

Nano Letters
|January 9, 2026
PubMed
Summary

This study introduces programmable 3D origami sensors for advanced wearable electronics. These novel sensors accurately detect stress intensity and direction, overcoming limitations of traditional film-based sensors.

Keywords:
celluloseself-powered sensortriboelectric materialtriboelectric nanogeneratorwearable sensor

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Area of Science:

  • Materials Science
  • Robotics
  • Wearable Technology

Background:

  • Multidimensional pressure sensors are crucial for wearable electronics and human-computer interaction.
  • Conventional film-based sensors lack directional stress perception and have limited sensitivity.

Purpose of the Study:

  • To develop programmable 3D origami sensors capable of multidimensional pressure sensing.
  • To overcome the limitations of traditional film-based sensors in directional stress detection.

Main Methods:

  • Integration of self-folding techniques with composite loading to create 3D origami structures.
  • Flexible assembly of multichannel sensing matrices for multidimensional signal acquisition.
  • Application of deep learning algorithms for sensor data analysis and recognition.

Main Results:

  • The origami sensor achieved a recognition accuracy of 97.8% when coupled with deep learning.
  • Enhanced sensitivity approximately 130 times higher than the substrate material.
  • Output power density comparable to advanced sensor technologies.

Conclusions:

  • The developed 3D origami sensors overcome limitations of traditional films in directional stress sensing.
  • This technology holds significant potential for advancing wearable electronics and intelligent robotics.
  • Programmable 3D origami structures offer a novel approach to multidimensional sensing.