WAVECEL 'EGG EFFECT': To illustrate the basic mechanism of brain injury, WaveCel constructed a see-through head model and filled it with translucent gel that has a similar density as a human brain. They then suspended two raw egg yolks in the brain gel to visualize brain distortion during an impact.
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NPR
Next gen hard hats give better protection against head injury
How a new hard hat technology can protect workers better from concussion
![](http://citadelsafety.ca/cdn/shop/files/p-1-90727004-hardhat-redesign.jpg?v=1715108635&width=1500)
Fast Company