Fluid Handling

Tiny Fans on the Feet of Water Bugs Could Lead to Energy Efficient Mini Robots

A new study explains how tiny water bugs use fan-like propellers to zip across streams at speeds up to 120 body lengths per second. The researchers then created...

High-Speed Droplet Production in Microfluidic Devices

Researchers have introduced a microfluidic system that utilizes porous “inverse colloidal crystal” structures to dramatically improve the efficiency of microdroplet generation. Read on to learn more about it.

Efficient, Sustainable Atmospheric Water Harvesting

Imagine being severely dehydrated and water literally appearing out of thin air. In other words: The air you breathe could quickly become the water that wets your whistle. Well, that...

To Make Fluid Flow in One Direction Down a Pipe, It Helps to Be a Shark

Flaps perform essential jobs. From pumping hearts to revving engines, flaps help fluid flow in one direction. Without them, keeping liquids going in the right direction...

Artificial Muscles Propel a Robotic Leg to Walk and Jump

Inventors and researchers have been developing robots for almost 70 years. To date, all the machines they have built have had one thing in common: they are powered by motors. Even...

Portable Engine Can Power Artificial Muscles in Assistive Devices

Researchers have developed a lightweight fluidic engine to power muscle-mimicking soft robots for use in assistive devices. What sets the new engine apart is its ability to...

3D-Printed Mini-Actuators Can Move Small Soft Robots, Lock Them Into New Shapes

Researchers from North Carolina State University have demonstrated miniature soft hydraulic actuators that can be used to control the deformation and motion of...

Tech Focus: A New Generation of Mechanical Axes

Festo (Islandia, NY) introduced its newest generation of Cartesian-handling-system mechanical axes at Automate 2024. The ELGD-TB, tooth belt, and ELGD-BS, ball screw, axes feature an...

How Much Do You Know About Automotive Sensors?

As more and more elements of automotive systems are computer-controlled, accurate system-wide sensors are critical for proper operations, whether in internal combustion, hybrid, or completely electric vehicles. How much do you know about automotive sensors? Take this quiz to test your knowledge.

Methods for Predicting Transonic Flutter Using Simple Data Models

NASA’s Ames Research Center has developed a novel closed-form solution to model wing flutter aerodynamics for any aircraft wing (within a certain thickness regime and without camber). This closed-form solution can be readily extended to wing sections with camber.

Network of Robots Can Successfully Monitor Pipes Using Acoustic Wave Sensors

An inspection design method and procedure by which mobile robots can inspect large pipe structures has been demonstrated with the successful inspection of multiple...

A Precision Arm for Mini Robots

A team at ETH Zurich has developed an ultrasonically actuated glass needle that can be attached to a robotic arm. This lets them pump and mix minuscule amounts of liquid and trap particles.

MIT Engineers Design a Robotic Replica of the Heart’s Right Chamber

MIT engineers have developed a robotic replica of the heart’s right ventricle, which mimics the beating and blood-pumping action of live hearts.

Magnetic Bearing Technology Enables Environmental Control for Human Space Exploration

Leveraging a high-speed permanent magnet motor, an environmental control system aboard the ISS represents a step change toward electrification and optimization.

Hydrodynamic Effect Helps Motorized Objects Navigate Inclines

The tiny motors mimic how rock climbers navigate inclines.

Chemically Driven Wheels “Morph” Into Gears

A catalytic reaction causes a two-dimensional, chemically coated sheet to spontaneously morph into a three-dimensional gear.

Self-Folding Origami Machines Powered by Chemical Reaction

A Cornell-led collaboration harnessed chemical reactions to make microscale origami machines self-fold — freeing them from the liquids in which they usually function, so they can...

Fluid-Driven Actuators Enable Complex Motions in Soft Robots

A team of researchers has designed a new system of fluid-driven actuators that enable soft robots to achieve more complex motions. The researchers accomplished this by taking advantage of the very thing — viscosity — that had previously stymied the movement of such robots.

Inflatable, Shape-Changing Spinal Implants Could Help Treat Severe Pain

The device uses soft robotics, ultra-thin electronics, and microfluidics.

Viscosity Enables Complex Motions for Soft Robots

Untethered soft robots are poised to become even more agile and controlled.

Custom, 3D-Printed Robotic Hearts

The soft robotic models are patient-specific and could help clinicians zero in on the best implant for an individual.

Reverse Vortex Ring

This mechanism improves rotordynamic stability in turbomachinery.

DIY Kits Enable Users to Build Their Own Peristaltic Pumps for Microfluidics

Users can download the design files to 3D print and assemble a customizable peristaltic pump.

Computational System Streamlines the Design of Fluidic Devices

Combustion engines, propellors, and hydraulic pumps are examples of fluidic devices — instruments that utilize fluids to perform certain functions, such as generating power or...

New Products

Read about the new products for October 2022, including rotary encoders, precision gearboxes, a brushless servo motor, and more.

Smartphone-Powered Microchip Enables At-Home Medical Diagnostic Testing

The innovation opens the door for faster and more affordable at-home medical testing.

Material Inspired by Chain Mail Transforms from Flexible to Rigid on Command

Applications include a smart fabric for exoskeletons, an adaptive cast that adjusts its stiffness as an injury heals, or a deployable bridge that could be unrolled and stiffened.

Miniature Separable Fill and Drain Valve

Besides miniature spacecraft propulsion systems, the valve could also have applications in the industrial processing industry where low flow devices are commonly used.