Above and Beyond

The vehicle’s full name is Powered-flying Ultra-underactuated LiDAR (light detection and ranging) Sensing Aerial Robot (PULSAR), and the development team describe it as an agile and self-rotating UAV whose three-dimensional position is fully controlled by actuating...

Reading Our Bodies

Wearable devices like the Apple Watch can track your blood rate and blood oxygen levels and detect whether you fall. But to researchers of wearable devices, this is old hat. “Those kinds of devices were developed more than 10 years ago. Some researchers are still...

In the Clover

The leaves of plants can spread under sunlight and fold in the cold. What if man-made materials could achieve the same response to environmental stimuli? A team from HKU’s Department of Mechanical Engineering has tested that question by mimicking the ability of the...

Evaporation Revelation

One of the problems with trying to research the hypothetical ‘primordial soup’ from which all life may have emerged is how to separate the elements which led to the first living cells being formed. Now, a research team has found that evaporation could facilitate...

Diamonds Are a Tooth’s Best Friend

A cross-disciplinary team has discovered that nanodiamonds (NDs) may be a highly effective agent in battling oral infections, a discovery which could open up new opportunities for improving oral health worldwide and provide a real alternative to the customary...