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Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

The rock was nicknamed Jennifer, and she wasn’t some quirky behind-the-scenes mascot in the production of Fantastic Four: First Steps. She became a key visual reference, a guide for how light moves ...

The pattern of layered rock crack propagation in mining and geotechnical engineering directly influences the production efficient of coal mines and the safety of workers. To reveal the characteristics ...

The research results showed the crack growth increase with the number of freezing–thawing cycles. Cracked rock failure types are divided into four types. The Poisson's ratio, elastic modulus of rock ...

When water freezes, it expands, and this caused a crack down the stem ... as otters that forage among seaweeds and rock pools are more active by day. They can often be curious, however, and ...

A major sewage tunnel in Northwest Washington that dates to the 1890s has a 200-foot-long crack and is at risk of collapsing and polluting Rock Creek, said D.C. Water officials. They are planning ...