Thursday, January 29, 2015

WotD: Ambigram

Ambigram: "An ambigram is a word, art form or other symbolic representation, whose elements retain meaning when viewed or interpreted from a different direction, perspective, or orientation."

Monday, January 12, 2015

WotD: Arete

Arete: "Arete (/ˈærətiː/; Greek: ἀρετή), in its basic sense, means "excellence of any kind".[1] The term may also mean "moral virtue".[1] In its earliest appearance in Greek, this notion of excellence was ultimately bound up with the notion of the fulfillment of purpose or function: the act of living up to one's full potential."

Friday, January 09, 2015

History: Towers of Bologna

Towers of Bologna - Wikipedia, the free encyclopedia: "Between the 12th and the 13th century, the number of towers in the city was very high, possibly up to 180. The reasons for the construction of so many towers are not clear. One hypothesis is that the richest families used them for offensive/defensive purposes during the period of the Investiture Controversy."

California Certified Air Cleaning Devices

California Certified Air Cleaning Devices: "To be certified, air cleaners must be tested for electrical safety and ozone emissions, and meet an ozone emission concentration limit of 0.050 parts per million."