From the depths of the ocean to the vast expanse of outer space, technology is redefining our understanding and interaction with the world around us. This episode of Tech Now delves into the cutting-edge tools and innovations that are revolutionizing marine biology, agriculture, and even fashion.

Alasdair Keane embarks on a journey to an underground insect farm in Australia, where bugs are turned into sustainable animal feed. Meanwhile, Nick Kwek visits an advanced insect farming facility in Sydney. In the Arctic, engineers are designing icebreaker ship technology that will navigate treacherous waters, while in Barcelona, scientists are working to complete Antoni Gaudí's iconic Sagrada Família using modern techniques.

The series also explores how tech is being used to address some of humanity's most pressing challenges. From climate change and wildfires to the rise of artificial intelligence and sustainable mining practices, this episode highlights how innovation can lead us towards a more sustainable future.