Chances are that at some point in the past few years you’ve watched one of several viral videos showing hydrophobic coatings in action. These videos depict people dousing themselves with everything from dyed water and mud to ketchup and chocolate syrup. Viewers marveled as water- or oil-based substances rolled off shirts and shoes leaving no damage, stains, nor even a trace that they ever came into contact with the fabric.
When sprayed with these magical hydrophobic coatings, any item in the video was seemingly rendered immune to liquids. In reality, results may vary… From wearing off after a couple days to not repelling water at all, early hydrophobic coatings were hit and miss. …
Global emissions alarms were sounding at the end of 2018 — and they still are. In a 2018 report by the UN Global Carbon Project, worldwide carbon emissions, primarily driven by fossil fuels, will reach an all-time high of 31.7 gigatons in 2018. That is an increase of 2.7% from last year and sharply up from 2017 small increase and a plateau with 0% growth from 2014–2016.
The Global Carbon Project reported that the major driver of the 2018 increase was higher electricity demand worldwide, leading to more coal-burning… primarily by China and India as their economies grew and more oil used in transport. Emissions in China were up 4.7% and India by 6.3% year on year. …
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