Get your Henson AL13 razor here: http://hensonshaving.com/actionlab and use code "actionlab" to receive 100 free blades with the purchase of a razor. That's 3-4 years worth of shaves. Both items must be in the cart for the code to take effect.

The published paper on this effect from Berkely: https://digital.library.unt.edu/ark:/...

Shop the Action Lab Science Gear here: https://theactionlab.com/
Checkout my experiment book: https://amzn.to/2Wf07x1
Twitter:   / theactionlabman  
Facebook:   / theactionlabofficial  
Instagram:   / therealactionlab  
Snap:   / 426771378288640  
Tik Tok:   / theactionlabshorts