Clip description Keywords
Bronze - the first alloy
Bronze - the first alloy

Duration: 03:00

A practical demonstration and explanation of how mixing metals into an alloy changes the structure and then the properties of the component metals.

 
Electrolysis: electroplating
Electrolysis: electroplating

A demonstration of electroplating a copper coin with zinc. An animation of ions and electrons is used to explain the electrode half equations.

 
Extraction of iron
Extraction of iron

Duration: 05:37

A practical demonstration showing how iron is extracted from iron ore.

 
Festival show finds a use for waste aluminium foil
Festival show finds a use for waste aluminium foil

Duration: 01:33

A musical show at the Edinburgh Fringe Festival puts discarded aluminium foil to creative use in a novel form of recycling.

 
Obtaining copper from ore
Obtaining copper from ore

Duration: 02:39

An introduction to the history of metals beginning with the mining of copper ore and smelting to purify it into copper.

 
Preventing corrosion: Sacrificial protection
Preventing corrosion: Sacrificial protection

Duration: 01:00

By coating it in zinc, steel or iron can be protected from corrosion.

 
Reactivity of metals - sodium and water
Reactivity of metals - sodium and water

Duration: 00:55

A demonstration of the reaction of sodium with water and the relative reactivity of different metals. subtitled

 
Reactivity of metals - uses  in surgery
Reactivity of metals - uses in surgery

Duration: 02:00

The use of metals as implants in the human body and the relative merits of gold and titanium are discussed. subtitled

 
Reactivity of metals and their uses
Reactivity of metals and their uses

Duration: 01:23

An introduction to the reactivity of different metals and their uses. The concept of the reactivity series of metals is introduced. subtitled

 
Rust
Rust

Duration: 00:02:10

The effects of oxidation or rusting on a ship and a submarine on the sea bed are shown with explanation about how rusting occurs.

 
Rusting of iron - process and prevention
Rusting of iron - process and prevention

Duration: 01:13

A description of the process of iron rusting and the use of paint to protect cars.

 
Scrap metal thefts on the increase
Scrap metal thefts on the increase

Duration: 01:27

Police investigating the theft and sale of scrap metal in West Cumbria have made 30 arrests.

 
Scrap metal turned into art
Scrap metal turned into art

Duration: 02:00

Scraps of metal, dug up by a treasure hunter over the past 20 years, have been transformed into a work of art.

 
Super alloys and the jet engine
Super alloys and the jet engine

Duration: 02:53

A practical demonstration of the strength of a metal super alloy under high temperatures and how this metal is used inside a jet engine.

 
The corrosion of iron
The corrosion of iron

Duration: 02:02

The corrosion or rusting of iron is explained through a diagram of the electrochemical processes involved.

 
The creation of duraluminium
The creation of duraluminium

Duration: 03:46

Mark Miodownik recreates Alfred Wilm's 1903 experiment in which he made an alloy of aluminium called duralumin.

 
The phosphorus lamp
The phosphorus lamp

Duration: 04:10

Jim Al Khalili recreates the experiment completed by Hennig Brand in 1669 in which he discovered phosphorus by heating human urine.

 
The structure of metals
The structure of metals

Duration: 02:42

Metals have advantages over many other substances for they are hard but can be reshaped. Their crystalline structure allows them to be 'worked' to make them stronger.

 

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