Marwan Lockman never expected to see Metallica in his home country -- much less design the venue that brought them there.
22hon MSN
A 2,000-year-old building site reveals the raw ingredients for ancient Roman self-healing concrete
Roman concrete is pretty amazing stuff. It's among the main reasons we know so much about Roman architecture today. So many ...
MIT scientists have used modern technology to unravel the mysterious self-healing properties of ancient Roman concrete.
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