Long-standing question about swimming in elastic liquids, answered

A biomechanical experiment conducted at the University of Pennsylvania School of Engineering and Applied Science has answered a long-standing theoretical question: Will microorganisms swim faster or slower in elastic fluids? ...

Best 'sweet spots' on the backboard

According to Larry Hunter, the act of banking a basketball off the backboard and into the hoop is becoming a lost art.

'Shaky' plan: Quake experiments may lead to sturdier buildings

Cold-formed steel has become a popular construction material for commercial and industrial buildings, but a key question remains: How can these structures be designed so that they are most likely to remain intact in a major ...

Computer modeling to build better mud bricks

Rammed earth and stabilized mud block or brick are cheap, easy to make, usually durable materials widely used for building homes and low-level structures, especially in developing countries. Despite their widespread use and ...

On a roll: Designing the next rover to explore Mars

The concept of a wind-powered vehicle that can be used to explore the surface of Mars - a so-called "tumbleweed rover" that would roll over the surface of Mars like a tumbleweed - has been around for more than 10 years, but ...

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