Check this out! 15,000 volts of electricity running through plywood.
Fractals appear in nature very often. The really interesting part of fractals is that one equation can produce so many similar – but different results. Check these out as well:
In clockwise order these are: Selenga River delta, human kidney angiogram, deciduous tree in winter and fractal image created from a ‘simple’ maths equation. (Image from the Facebook group Science is Awesome)
For more examples of fractals in nature have a look at this webpage.