coffee Archives – The Green Optimistic green tech news, since 2008 Thu, 23 May 2019 19:55:33 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Coffee to Boost Solar Cell Performance https://www.greenoptimistic.com/coffee-boost-perovskite-performance-20190520/ https://www.greenoptimistic.com/coffee-boost-perovskite-performance-20190520/#respond Thu, 23 May 2019 19:53:27 +0000 https://www.greenoptimistic.com/?p=68417 You’re a graduate engineer. You’ve been working on perovskite solar panels. Perovskite describes a class of crystalline compounds which are easy and cheap to make, and as a result they are promising candidate materials to form light-harvesting layers on solar panels. However, if the crystals are exposed to atmospheric humidity and oxygen, they degrade rapidly. […]

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]]> https://www.greenoptimistic.com/coffee-boost-perovskite-performance-20190520/feed/ 0 68417 Make Easy Green Money With Wheely’s Coffee Bike https://www.greenoptimistic.com/wheelys-coffee-bike-power-20150202/ https://www.greenoptimistic.com/wheelys-coffee-bike-power-20150202/#respond Mon, 02 Feb 2015 13:58:22 +0000 https://www.greenoptimistic.com/?p=52845 Coffee cannot get any greener than this, as mobile coffee machines on bikes, carrying the logo Wheely’s and powered with pedal power, are growing bigger than ever. And not only literally. Picking the morning coffee from a famous franchise on the way to work, has become part of the daily routine of hundreds of thousands of […]

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]]> https://www.greenoptimistic.com/wheelys-coffee-bike-power-20150202/feed/ 0 52845 Coffee Supply Endangered By Climate Change https://www.greenoptimistic.com/coffee-supply-endangered-by-climate-change-20130110/ https://www.greenoptimistic.com/coffee-supply-endangered-by-climate-change-20130110/#respond Thu, 10 Jan 2013 19:37:12 +0000 https://www.greenoptimistic.com/?p=31114 Coffee is the well-known substance that has been drunk for centuries in order to stimulate creativity and give energy. It is even believed that this ‘liquid gold’ is the reason for the great scientific and industrial revolutions. Unfortunately, the coffee plant is threatened by climate change and raising temperatures. To most coffee lovers and growers, […]

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