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Related Concept Videos

Centroid for the Paraboloid of Revolution01:16

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The paraboloid of revolution is an axially symmetric surface generated by rotating a parabola around its axis. This shape has several applications in mechanical engineering due to its advantageous structural properties, such as strength against stress concentration points and rotational symmetry.
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The divergence and Stokes' theorems are a variation of Green's theorem in a higher dimension. They are also a generalization of the fundamental theorem of calculus. The divergence theorem and Stokes' theorem are in a way similar to each other; The divergence theorem relates to the dot product of a vector, while Stokes' theorem relates to the curl of a vector. Many applications in physics and engineering make use of the divergence and Stokes' theorems, enabling us to write...
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The perpendicular-axis theorem states that the moment of inertia of a planar object about an axis perpendicular to its plane is equal to the sum of the moments of inertia about two mutually perpendicular concurrent axes lying in the plane of the body.
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The parallel-axis theorem provides a convenient and quick method of finding the moment of inertia of an object about an axis parallel to the axis passing through its center of mass. Consider a thin rod as an example. There is a striking similarity between the process of finding the moment of inertia of a thin rod about an axis through its middle, where the center of mass lies, and about an axis through its end using the conventional method. In the conventional method, the concept of linear mass...
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Scalable Stamp Printing and Fabrication of Hemiwicking Surfaces
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From Stamps to Parabolas.

S George Philander1

  • 1Department of Geosciences, Princeton University, Princeton, New Jersey, USA;

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Summary
This summary is machine-generated.

The launch of Sputnik in 1957 enabled a scientist to study climate variability, including El Niño events and ice ages. Understanding Earth's wonders, not fear, is key to responsible stewardship against human-induced climate change.

Keywords:
autobiographyeducationgeologymeteorologyoceanographyoutreachpaleontology

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Area of Science:

  • Geosciences
  • Climate Science
  • Oceanography

Background:

  • The Soviet Union's 1957 Sputnik launch created opportunities for the author to emigrate from South Africa and pursue scientific research in the US.
  • The author's career focused on the influence of ocean waves and currents on climate variability, from El Niño to ice ages.
  • Societal perceptions of climate phenomena like El Niño have shifted due to increased human vulnerability to natural variability.

Purpose of the Study:

  • To reflect on a career in geosciences and its insights into climate variability and human-environment interactions.
  • To explore the evolving understanding and impact of climate events like El Niño.
  • To propose a strategy for responsible planetary stewardship based on knowledge and appreciation of Earth's systems.

Main Methods:

  • Personal narrative recounting a career in geosciences.
  • Analysis of historical and scientific understanding of climate phenomena (e.g., El Niño, monsoons).
  • Synthesis of observations on human interaction with natural climate variability.

Main Results:

  • The interplay of waves and currents significantly influences climate variability across various timescales.
  • Human activities have increased vulnerability to natural climate events, altering their impact.
  • Adaptation strategies for climate variability, like managing monsoon failures, show progress.

Conclusions:

  • A strategy for responsible Earth stewardship should be rooted in understanding and appreciating our planet, fostering love rather than fear.
  • Education and awareness of Earth's wonders are crucial complements to warnings about climate change.
  • Promoting a deeper connection with the natural world is essential for addressing human-induced climate change.