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...carbon cycle A look at Berner's model of the Carbon cycle and how it provided a basis for further research and experimentation into climate change by Maureen Raymo of MIT. Tibet: the geological history A look at the geological history of Tibet and the Raymo Ruddiman hypothesis; that chemical weathering increased as the temperature dropped due to the rise in the plateau....

...carbon atoms from the substrate to the surface, where they combine with carbide-forming elements (V, Nb, Cr) in the molten salt bath, to produce a wear resistant carbide layer (3000–3600 Hᵥ). Salt bath [Images to demonstrate 'Toyota Diffusion (TD)' - see article ] Manufacture: Toyota diffusion (TD) process is carried out in a salt bath of borax and mixed alloy...

...carbon ( C ) to form water (H2O) or carbon dioxide (CO2). It takes some energy to split these molecules into their components again to produce free oxygen. The high levels of free oxygen in our atmosphere only persist because they are constantly replenished by the photosynthetic activity of the plant life on Earth. Our atmosphere is actually such an oddity that if a...

...carbon emissions, across the whole product lifecycle...[Person repairing a smartphone] Repairing or updating products to extend its lifespan You may be asking what has product repair got to do with action to mitigate against a warming planet? Every new product produced, distributed, used and disposed of contributes to environmental impacts, including the production of...

...looks at what influences the designer and the consumer. The films form part of the Open University Course T317 and T174... History History of the Bike and the Tour de France Aesthetics The significance of aesthetics Wheels The history, design and evolution of the wheel Materials Titanium , carbon fibre and the resurgence of steel Frame Design Design through the Years...