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Science & Medicine

Elemental

RNZ

A journey through the periodic table of elements with chemistry professor Allan Blackman, from AUT, and Alison Ballance

Episodes

20 of 98 episodes

Zirconium - shape-shifting time capsule

Zirconium is a shape-shifting tough cookie, that is a tale of gemstones, medical implants and nuclear reactors, says Allan Blackman from AUT...

00:12:34Dec 22, 2019

Zinc - more useful than you realise

Zinc is a very useful metal that turns up in everything from sunscreen to paint, & galvanised metals to cereals, as well as brass instrument...

00:12:31Dec 19, 2019

Yttrium - here's that village Ytterby again

Yttrium is yet another element named after the village of Ytterby and is important in the development of high temperature superconductors, s...

00:08:28Dec 15, 2019

Ytterbium - yet another element named after Ytterby

Ytterbium is yet another lanthanoid named after the Swedish village of Ytterby, says Prof Allan Blackman in ep 95 of Elemental. Ytterbium is...

00:08:12Dec 12, 2019

Xenon - a stranger in search of strange particles

Xenon is a noble gas that turns up in various lights, gets used in xenon ion propulsion systems for spacecraft & plays a key role in the sea...

00:09:55Dec 10, 2019

Vanadium - Model T Fords, big batteries & sea squirts

Vanadium makes steel stronger & lighter, is being used in what will be the world's largest battery, and sea squirts are full of it, says Pro...

00:09:33Dec 8, 2019

Uranium - first radioactive element to be discovered

Named after the planet Uranus & associated with Hiroshima & nuclear bombs, uranium is the highest-numbered element found naturally in signif...

00:08:28Dec 5, 2019

Tungsten - highest melting point of any metal

Tungsten's very high melting point made it an ideal filament for incandescent light bulbs, & as it is in some enzymes it is the heaviest ele...

00:08:46Dec 1, 2019

Titanium - light, strong & quite pretty

Titanium is light, strong, corrosion resistant & is used to repair broken limbs as it is able to get integrated into the bone, says Allan Bl...

00:08:34Nov 28, 2019

Tin - from whistles to organ pipes & anti-fouling paint

The element tin turns up in all sorts of alloys, but tin cans are - mostly - not made from tin, says Prof Allan Blackman from AUT, in ep 89...

00:10:54Nov 26, 2019

Thulium - the most laborious of the lanthanoids

Isolating the element thulium was a truly laborious process that took many years, says Prof Allan Blackman from AUT in ep 88 of Elemental. I...

00:09:45Nov 24, 2019

Thorium - potential source of cleaner nuclear energy

Named after Thor, the Norse God of Thunder, thorium could provide a cleaner source of nuclear power in the future, says Prof Allan Blackman...

00:09:09Nov 21, 2019

Thallium - the poisoner's poison

Thallium is most famous for some infamous poisoned family cases & its appearance in an Agatha Christie novel solved a medical mystery, says...

00:08:27Nov 17, 2019

Terbium - turns up in old TVs & new Euro notes

A discovery from the chemically prolific Swedish village of Ytterby, terbium produced the green on old TV sets & adds security to Euro notes...

00:08:54Nov 14, 2019

Tellurium - usually associated with gold

Tellurium is a metalloid often found with gold and the US town Telluride is named after it, says Prof Allan Blackman, in ep 84 of Elemental....

00:09:21Nov 10, 2019

Technetium - the first synthetic element

Technetium was the first element on the periodic table to be synthesised. It is rare, radioactive and has only a few uses, says Prof Allan B...

00:08:45Nov 7, 2019

Tantalum - a tantalising chemical element

The metal tantalum is usually found with the element niobium, has a very high melting point but is a 'conflict mineral', says Prof Allan Bla...

00:07:23Nov 3, 2019

Sulfur - king of bad smells

Sulfur is responsible for some very bad smells, is the number one industrial chemical and is also an essential element, says Prof Allan Blac...

00:14:25Oct 31, 2019

Strontium - from sensitive teeth toothpaste to nuclear fission

Named after a Scottish town, strontium can be highly radioactive & glow-in-the-dark, but also used in toothpaste, says Prof Allan Blackman f...

00:09:12Oct 27, 2019

Sodium - a salt of the earth spectator

Sodium is vital for life & usually found in combinaton with other more interesting elements, says Prof Allan Blackman in ep 79 of Elemental....

00:11:19Oct 24, 2019