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Tag: Caffeine

Kimia Kopi

Kimia Kopi

Ini disadur dari tulisan bertajuk “Enjoy the Rich Arome of Putrid Meat” di majalah Wired, edisi Oktober 2009. Barangkali ada edisi webnya juga. Tapi aku belum lihat, dan maka belum bisa tuliskan urlnya. Jadi, apa saja yang terkandung di dalam secangkit kopi hitam pekat nan pahit mempesona itu? Selain air, ini dia: Kafein. Seperti nikotin dan kokain, kafein adalah alkaloid, yaitu racun yang diproduksi tanaman. Racun imenutupi receptor syaraf yang menerima adenosin, yaitu sinyal kimiawi tidur. Akibatnya: kita bangun :)….

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Turning Coffee into Theorems

Turning Coffee into Theorems

This one is taken from Chapter 92 of Mind Hacks, a book published by O’Reilly. PDF = oreilly.com/catalog/mindhks/chapter/hack92.pdf After you’ve drunk a cup of tea or coffee, the caffeine diffuses around your body, taking less than 20 minutes to reach every cell, every fluid (yes, every fluid) of which you’re made. Pretty soon the neurotransmitter messenger systems of the brain are affected too. We know for certain that caffeine’s primary route of action is to increase the influence of the…

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