Most modern road bikes, including aluminum framed ones, come with carbon forks and carbon steerer tubes. Because of the more delicate nature of carbon, setting a traditional star nut into the steerer tube is no longer an option. This is where a steerer tube expander, or compression plug, comes in handy.
Need a steerer tube expander for yourself? https://www.artscyclery.com/searchresults.html?search=products&searchtext=steerer+tube
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REFERENCES
Faraday suits/linemen: https://science.howstuffworks.com/faraday-cage3.htm
Human body tissues resistivity: https://www.ncbi.nlm.nih.gov/pubmed/10593226
conductivity of lightning channel: https://iopscience.iop.org/1402-4896/80/3/035901
US soil resistivity: https://www.rurdev.usda.gov/SupportDocuments/UTP_Bulletins_1751F-802.pdf
MinuteEarth provides an energetic and entertaining view of trends in earth’s environment — in just a few minutes!
Created by Henry Reich, with Alex Reich, Peter Reich, Emily Elert, and Ever Salazar.
Music by Nathaniel Schroeder: https://www.soundcloud.com/drschroeder