How Invisible Waves Have Changed the World
There's a lot of talk on the Internet related to the freshness of roasted coffee: some claim that having coffee that was roasted only a couple of weeks ago means that it has already gone stale, and that we don't complain just because we don't know of anything better.
Here is a nice, although heavily self-promoting TED Talk about coffee.
Despite all this hype, most of us buy their coffee readily ground anyway, in bags that may have been on the shelf for months.
Of course, a lot of it is vacuum-packed, but that is not enough for the "true coffee enthusiasts". Some of them even roast their coffee at home, either with makeshift setups or dedicated devices that cost thousands of dollars, like described in the video above.
One particular nicety of living in a country that produces coffee is that it is quite easy to have a friend who knows a friend who knows another friend that works on a farm, and will provide you with freshly roasted coffee that you can then grind on demand yourself.
My trusty, el-cheapo Mr. Coffee 12 Cup Electric Coffee Grinder has served me well over the years, happily grinding through tens of kilos of coffee so far, and I must say that having freshly roasted coffee as the base for the Morning Joe certainly has not made the taste worse.
Whatever the source of the beans, I've noticed that grinding them just prior to brewing coffee IS better than just spooning in readily-ground coffee. Grinding the beans only adds a minute to your daily routine, and just by simple rules of physics, keeping coffee in "bean state" means that there's less surface area for oxidation.
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You can purchase A Brief History of Everything Wireless: How Invisible Waves Have Changed the World from Springer or from Amazon US, CA, UK, BR, DE, ES, FR, IT, AU, IN, JP. For a more complete list of verified on-line bookstores by country, please click here.
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