Do you remember the time of the dial-up internet? If you do, I bet you have this "Eeeee-aww-eeee-aww-eeee-aww-eeee-aww" sound in your head. And you think these days are long gone, with fibre optic and 4G available almost everywhere. However, this is really not the case once you leave the shore and set to the ocean. After a few nautical miles, cellular data becomes incidental and gradually using satellite communication is inevitable. A mostly unknown but large population of men and women are working at sea for eight to ten months of the year, only seeing their families on rare occasions. Consider also fishermen and all those who defend our coasts against the multiple kinds of trafficking, including any type of goods, and even human trafficking, and who are fighting to protect the marine ecosystem. And all they have in terms of communications are two possibilities: satellite, or cellular systems such as the 3G used by your mobile phone. SeaFi offers a new third option. SeaFi facilitates the creation of private networks in ports and coastal areas by establishing connections between lighthouses, maritime wind turbines, or offshore drilling platforms and vessels at sea. These networks are used to connect the ships and their crews, as well as the data collection buoys (weather, tides) for example.
In 2018, using the SeaFi technology invented by Arnaud Disant, a scientific world record for the longest wireless internet communication at sea was established: 19.4 nautical miles (35.92 km). This year we are challenging this record. You might ask - why do you want to challenge your own record? Well, competing with yourself is the ultimate form of self-improvement and the one challenge that never ends. When we compete with ourselves, we focus on our own progress and growth, and we set our own standards of excellence. While striving to be better than we were yesterday, we push ourselves to new heights and achieve things we never thought possible. We have already been asked how to contribute to our effort. A fundraiser has been set up. Your contribution will go directly towards chartering the local cargo supply vessel that is essential to venture offshore beyond 19.4 nautical miles, thus making a positive impact on our community. If you would like to contribute, please follow this link
#SeaFi Challenge
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A new series of weekly webinars on Mathematics of Planet Earth will start on Friday 8th May at 15.30 CEST (14.30 BST).
These webinars are designed to give the opportunity to early career researchers, PhD students and Post-Docs, working on topics related to Mathematics of Planet Earth, to share their work with researchers at all levels in the field.
The following topics will be covered:
PDEs and SPDEs in fluid-dynamics;
Numerical models for fluid-dynamics;
Dynamical systems: critical transitions and linear response in the Earth system;
Data analysis methods for climate records.
The deadline to register as a speaker or attendee is May 7th (at midnight CEST).
