Michael Sewell, Author at New ÐÓ°ÉÔ­´´ Science news and science articles from New ÐÓ°ÉÔ­´´ Fri, 02 Apr 1993 23:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 242057827 Letters: Jet circles /article/1828034-letters-jet-circles/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Fri, 02 Apr 1993 23:00:00 +0000 http://mg13818676.400 Recent reports of damage to roof tiles near Heathrow by vortex strikes
created by low flying 747s suggest a controlled experiment which might commend
itself to believers in natural crop circles: fly a 747 into an airfield
with corn fields at the end of the runway.

The scale may be different from vortices created by hills – but Mandelbrot
sets repeat at all scales.

Michael Sewell University of Reading

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