Engineering

Riddle solved: Why was Roman concrete so durable?

The ancient Romans were masters of engineering, constructing vast networks of roads, aqueducts, ports, and massive buildings, whose remains have survived for two millennia. Many of these structures were built with concrete: ...

List of weather records

This is a list of weather records, a list of the most extreme occurrences of weather phenomena for various categories. Each of these is understood to be the record for recent history, as these records may have been exceeded before modern weather instrumentation was invented.

This text uses material from Wikipedia, licensed under CC BY-SA