Observer and Guardian readers May 13, 2014

Tech Monthly readers’ photography project: elements

Tech monthly asked readers to join in GuardianWitness photography project and share their photos of elements

Tech Witness: Oxidised iron — Oxidised iron: Partial view of a rusty thresher. This machine lies abandoned in a field near our house, I pass it often on my walks but I waited for better weather and a warm evening sun to shine on it for capturing it with my camera.
Submitted by alexandra1108 Photograph: alexandra1108/GuardianWitness

Tech Witness: Hot air balloon — Hot Air Balloon: Sometimes we forget how important air is. It even helps us fly!
Submitted by MaraCharon Photograph: MaraCharon/GuardianWitness

Tech Witness: Intruiging — Intriguing
Submitted by kimjohn001 Photograph: kimjohn001/GuardianWitness

Tech Witness: Earth and Air — Earth and Air: An HDR merge of bracketed photos
Submitted by Snakeshole Photograph: Snakeshole/GuardianWitness

Tech Witness: iron age — IRON AGE: Under an iron bridge over the Grand Union Canal in West London
Submitted by Richard Derwent Photograph: Richard Derwent/GuardianWitness

Tech Witness: Grandparents copper kettle — Grandparents copper kettle: Kept on the hob and was black when I got it. In my minds eye I can still see my grandmother touching her gold wedding ring, using it as a heat conducter, to the kettle to see if the water was hot enough.
Submitted by fourthplinth Photograph: fourthplinth/GuardianWitness

Tech Witness: Cadmium pigments — Cadmium pigments
Submitted by trtonw3 Photograph: trtonw3/GuardianWitness

Tech Witness: Silver — Silver: Repoussé and chased Tibetan ceremonial bowl, bottom view. Shot in a studio with xenon flash heads, reflectors and diffusers
Submitted by Doug Morton Photograph: Doug Morton/GuardianWitness

Tech Witness: Summoning the waves — Summoning the waves: This young boy was revelling in the element of water. He remained playing in the sea until the last possible moment before finally leaving as the sun set.
Submitted by Jools McCarthy Photograph: Jools McCarthy/GuardianWitness

Tech Witness: Verdigris — Verdigris: The results of long exposure to 'the elements' on an old metal gate
Submitted by Jenny Downing Photograph: Jenny Downing/GuardianWitness

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