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Anns a’ phrògram mu dheireadh san t-sreath de 3, meòraichidh sinn air mar a tha mac an duine a’ beartachadh an làin son diofar adhbharan Coinnichidh sinn ri cuid a tha ri dùbhlan snàimh agus an làn air a chleachdadh na chlach-bhogha, agus seallaidh sinn air teicneòlas cumhachd làin ann an Arcaibh.

‘S e an airbus A380 am plèana luchd-siubhail as motha san t-saoghal an-dràsta. Ach dè an ceangal a th’ aig an làn leis an leithid? Gheibh sinn a-mach mun phàirt riatanach a th’aige ann an sgeulachd a’ phlèana seo.

Air eilean àlainn Beàrnaraigh Leòdhais, anns na h-Eileanan an Iar, tha clag sònraichte a tha na phròiseact ealain iongantach a’ dèanamh feum de ghluasad na mara. Tha Iain Macamhlaigh, a bha na iasgair agus a tha na Oraidiche Muireil, a’ càradh a’ chlaig – obair nach urrainn dha a dhèanamh ach air reothart ìosail.

Anns a’ Chearcall Artach tha làn ùr ag èirigh – làn phlastaig, agus na chois cunnart cruinneil. Tha sgioba de luchd-rannsachaidh òga a’ faighinn dearbhadh de phlastaigean beaga a tha air a sguabadh dha na cladaichean seo, agus air a bhriseadh, le neart sruth a’ chuain agus cumhachd an làin.

A bharrachd air sgeulachdan an là an-diugh, beachdaichidh sinn cuideachd air comasan an làin ann a bhith a’ beartachadh a chuid chumhachd san àm ri teachd son buannachd nan ginealaichean ri thighinn.

We explore how people harness the tide for different purposes, joining a swimming challenge that uses the tide as a catapult, and explore tidal power technology on Orkney.

The Airbus A380 is currently the largest passenger aircraft in the world - but what link can it possibly have with the tide? We discover that it in fact plays a central role in this plane’s story.

On the beautiful island of Bernera, in the Outer Hebrides, an art installation bell harnesses the tide’s power. Maritime lecturer and former fisherman Iain Macaulay is tasked with performing a vital repair to the bell - work which can only be done on a low spring tide.

In the Arctic a new tide is rising - a plastic tide, and with it a global threat. A team of young researchers find evidence of micro plastics, washed up and broken down by the tide.

As well as the stories of today, we also explore the tide’s potential in harnessing its power for the benefit of future generations.