While the adoption of unmanned/uncrewed surfaces vessels (USVs) was initially in defence, use of these low footprint systems has spread into other sectors, not least survey, and now the race is on for greater capability, endurance and autonomy. Elaine Maslin reports.After starting small, in inland waterways, use of USVs for survey operations has moved into coastal and now offshore waters. Given the extensive amount of seabed and rapid growth in offshore wind…
The principle behind sacrificial anodes, which are used to safeguard underwater pipelines and structures from corrosion, is relatively straightforward. Made of alloys like aluminum, Zinc and is some cases Magnesium, the anodes are more reactive…
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