Science & Environment

Mysterious oarfish's fins inspire large underwater robot design

Source: Phys.org - latest science and technology news stories · Published

Mysterious oarfish's fins inspire large underwater robot design
Source: Phys.org - latest science and technology news stories

When designing a large underwater robot that could swim silently to avoid startling sea creatures, roboticist Rob Shepherd considered the unusual swimming system of oarfish, the meters-long fish whose ribbon-like dorsal fin moves in waves to propel its body.

When designing a large underwater robot that could swim silently to avoid startling sea creatures, roboticist Rob Shepherd considered the unusual swimming system of oarfish, the meters-long fish whose ribbon-like dorsal fin moves in waves to propel its body.

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How sea squirts perceive underwater noise
Science & Environment

How sea squirts perceive underwater noise

Shipping, construction work and other human activities are altering the acoustic conditions in our planet's seas. Sound pressure is often examined to determine the effects that this underwater noise has on marine organisms. However, these observations may not be thorough enough f

Phys.org - latest science and technology news stories ·

AI-enhanced petitions on Change.org: More text, less success
Science & Environment

AI-enhanced petitions on Change.org: More text, less success

The change was obvious—but in the end, things stayed about the same. Cornell researchers took advantage of online petition website Change.org's gradual rollout of an artificial intelligence writing tool to gauge AI-enhanced language's impact on petition outcomes.

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