Kalmia species are used as food plants by the larvae of some lepidopteran species including Coleophora kalmiella which feeds exclusively on Kalmia.hey grow in acidic soils, with different species in wet acid bog habitats (K. angustifolia, K. polifolia) and dry, sandy soils (K. ericoides, K. latifolia). Kalmia was named by Linnaeus to honour his friend the botanist Pehr Kalm, who collected it in eastern North America during the mid-18th century.
Tesla electrified Niagara Falls!! In 1895, the Westinghouse Company and Nicola Tesla built the first hydroelectric alternating current system at Niagara Falls. Tesla was determined that the awesome power of the Falls should be harnessed to the awesome power of polyphase alternating current.
Ohioans were among the earliest and most prominent pioneers in the use of electricity. Leading the way, in 1879, Charles Brush developed arc lighting, providing an easy and cost-effective way to light cities at night. Brush introduced his invention in Cleveland, Ohio, making this city the first one in the world to have electric streetlights. Ohioan Thomas Edison developed a usable light bulb, among dozens of other inventions utilizing electricity. Benjamin Lamme accumulated 162 patents, most dealing with improvements in electricity's use, during his lifetime.