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Engineering

Future Eyes and Ears of IoT- Composite Self-Powered Wireless Sensing E-Sticker

loT is the key to building a smart city, in which sensors act as eyes and ears of the system to collect and convert physical variables into electronic signals for analysis. A self-powered wireless sensing e-sticker, thin as two human hairs, developed by CUHK, converts the power of a finger touch into electromagnetic wave signals to advance the smart sensing technology. Another discovery is a TENG with high power output to better harvest mechanical and biomechanical motion......

Understand Hand-Eye Coordination of Surgical Robots for a Safer Operation

Surgical robots are commonly used in minimally invasive surgery and their accuracy holds the key to a successful operation. CUHK researchers have developed a world-first AI system with a novel deep learning method to optimise the gesture recognition of robots. The intelligent cognitive assistance not only allows robots to operate with greater precision for a safer surgery, but also wins patients’ trust in robotic surgery……

Multi-functional Prosthetic Realises Amputee’s Violin Dream

It is a tough task for an able bodied person to learn the violin, let alone someone without an arm. A multi-functional prosthetic with convertible adaptor developed by CUHK researchers gave hope to Roy who had lost his left arm and took him onto the stage in a concert given by a thousand-player orchestra, where he demonstrated his dream playing wonderful pieces of music …….

How Electricity Comes with the Flow – Coming of Age of Blue Energy

The ocean is the largest energy treasure house on earth, covering approximately 70% of its surface. Harvesting this is called “blue energy” and it’s a solution to energy crisis. However, given its complex technology and high cost, electricity generation from blue energy isn’t easy. A CUHK research team has recently developed a high-efficacy generator for harnessing ocean wave energy, which turns a new page......

New Membrane Gives Duration Boost to Redox Flow Battery

Distinguished as safe, powerful and flexible but plagued by a short life, sulphur-based redox flow batteries have been given a boost to their duration by CUHK engineers, ending a long unsolved challenge. They have designed a novel membrane, keeping the battery’s two electrodes apart and reducing the loss of active materials, so ramping up its lifetime, stability, and its usefulness in grid-scale energy storage devices…….

FEATURE

Cable-Driven Robots Build Up Endless Design Possibilities

Architects always have an abundance of design ideas, yet in the real world, there are limitations such as workers’ techniques, time and building costs. A professor from CUHK shows how cable-driven robots transform non-standard and artistic designs into precise executions and eventually help realise the endless possibilities for design concepts…

Harvest Energy on Your Own and Revolutionalise Your Smartwatch User Habit

Smart wearable technology is evolving into a new form. Powering a smartwatch through solar power could be one the ways but how could it be sustainable under a lengthy cloudy sunless day? Researchers in CUHK recently found that you can be in control of your watch’s energy and sustain its battery endurance through walking and the swinging of your arms.

What Gets Under Your Skin?

T-rays radiation does but, far from annoying, it’s a new, safe and easy boon to diagnosing skin disease. With your arm on the imaging window of T-ray equipment, T-rays get under the skin to measure thickness and hydration. A novel method of analysis from CUHK and Warwick University, T-rays improve treatment of eczema, psoriasis and skin cancer……

Let’s Take a Brick Philip Fu Makes Sketches Come to Life with LEGO Algorithm

We all know what LEGO is—it is a timeless, fun and educational toy for a kid, one he or she played with as a child, and now probably steps on when walking around the house as a parent. But the charm of LEGO knows no bounds. In fact, more and more adults nowadays show an increased interest in tinkering with these brightly hued bricks......

New “Soft Power”: Batteries Safe and Stable as Skin Cream

High energy batteries, in cell phones and laptops, can blow up in your face. Research around that problem surfaced with a solution from a surprisingly different field. It is a soluble polymer used in skin cream that can also stabilise battery output. Soon, putting a phone on your cheek will be as gentle on your skin as moisturizer……