Swimming

Not content with boasting the world's tallest building, the world's largest mall and a host of other forward-thinking ventures that include flying taxis and firefighters with jetpacks, Dubai has now opened the deepest swimming pool in the world.

Although there will never be a substitute for parents' watchful eyes while their children are swimming, eyes can sometimes miss things. That's where the Wave system is designed to come in, by sounding an alarm if kids stay underwater too long.

Swim coaches have a difficult job, as they have to shout in order for swimmers to hear them – and even then, they still may not be heard. The Sonr system is designed to address that problem, using one-way radio communications.

A couple of years ago, LeFeet announced its S1 modular electric underwater scooter. The Chinese manufacturer is now back again, with the less expensive C1 model – and it can do more than just scoot underwater.

Fish have a sensory system known as the lateral line, which allows them to detect movements and pressure gradients in the water. Scientists have now given a robotic fish its own version of that system, letting it determine the best swimming speed.

Even though lifeguards are essential to maintaining safety at swimming pools, they can't always see everything that's happening. That's where a new swimmer-saving underwater robot is designed to come in.

When it comes to underwater scooters, there are smaller, less powerful single-motor models, or larger, faster dual-motor units. The new WhiteShark Tini, however, can be used in either configuration.

In its first year, the World Sports Photography Awards has attracted a wide array of powerful and technically brilliant snaps that capture the emotion, raw energy, and pure spectacle of sports ranging from heavyweight boxing to handball.

Lifeguards do play a vital role in the prevention of drownings, but at busy beaches, they can't always keep track of all the swimmers at all times. That's where Sightbit is made to come in, as it uses AI to catch what lifeguards may miss.

It was two years ago that we first heard about the Trident, an underwater scooter made by Chinese startup Geneinno. The company has now released a cheaper, more portable model, known as the Geneinno S2.

While there are already performance-tracking watches that count swimmers' laps and strokes, they typically don't provide feedback on the quality of those strokes. A new device known as the SmartPaddle, however, is designed to do just that.

Back in 2017, Chinese startup Sublue successfully crowdfunded an underwater scooter known as the WhiteShark Mix. The company is now set to release a new-and-improved model, called the Mix Pro.