Often, these holes need inspecting, but [Dean Harty] found that existing borehole inspection solutions weren ... replacing it with a pipe-style housing instead. Key to the design was that ...

As a robot crawls through a pipe under Florida Avenue, Alex Pennington carefully steers it, occasionally stopping it to ...

If you think your job sucks, be grateful you’re not this homebrew sewer inspection ... pipe and short enough to make the turn, plus it needed to be — erm, waterproof. It also needed to carry a ...