<p>Ytterbium is yet another lanthanoid named after the Swedish village of Ytterby, says Prof Allan Blackman in ep 95 of Elemental.</p><p>Ytterbium is yet another lanthanoid named after the Swedish village of Ytterby. It is a sister element to erbium, terbium and yttrium.</p><p>The ytterbium lattice clock is one of the world&#x27;s most accurate clocks, says Professor Allan Blackman from the Auckland University of Technology, in episode 95 of Elemental.</p><p><a href="https://www.rnz.co.nz/podcast/elemental?share=elf_audio_2018718341">Go to this episode on rnz.co.nz for more details</a></p>