In recent years, satellites have become smaller, cheaper, and easier to make with commercial off-the-shelf parts. Some even weigh as little as one gram. This

Satellites promise to better connect us via the internet — even those of us living in places as remote as Antarctica or the outer islands of Tonga.

Of the 15 contracts valued at more than $28 million awarded to Australian small businesses developing cutting-edge defence technologies, four are based in South Australia.