A preference for blue and green may be due to a preference for certain habitats that were beneficial in the ancestral environment as explained in the evolutionary aesthetics article. Read more
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A preference for blue and green may be due to a preference for certain habitats that were beneficial in the ancestral environment as explained in the evolutionary aesthetics article. Read more
The way to get started is to quit talking and begin doing.
The neon sign is an evolution of the earlier Geissler tube, which is an electrified glass tube containing a “rarefied” gas (the gas pressure in the tube is well below atmospheric pressure). When a voltage is applied to electrodes inserted through the glass, an electrical glow discharge results. Read more