Interesting Engineering on MSN

Soft to steel: Tiny robot muscle lifts 4,000 times its weight, defying limits

The stiffened artificial muscle can support up to 5 kilograms (11 pounds) — roughly “4,000 times its own weight.” The muscle ...
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How did ancient Egyptians stack those heavy stones of the oldest pyramid? Scientists float new theory

(CNN) — For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000 years ago. Now, a team of engineers and geologists brings a new theory to the ...