Echinacea /ËÉkÉ¨ËneÉªÊâ±É/ is a genus, or group of herbaceous flowering plants in the daisy family. The Echinacea genus has nine species, which are commonly called purple coneflowers.They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer.he Echinacea genus has nine species, which are commonly called purple coneflowers. They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer.
Silencers were invented by Hiram Percy Maxim. His father invented the first working modern machine gun. H.P. Maxim received his first patent in late March 1909. H.P. Maxim. Inventor of the Silencer. In 1934, congress passed the National Firearms Act which included silencers. This added a prohibitively expensive $200 transfer tax and registration scheme to an item that typically sold for less than $5.
Velcro was invented by George de Mestral a Swiss electrical engineer in 1941. This idea of inventing Velcro came to him when one day he returned after a walk from the hills and found cockleburs stuck to his clothes and his dogâs fur.George noticed its natural hook and loop quality and started making a fabric fastener on the same quality.his idea of inventing Velcro came to him when one day he returned after a walk from the hills and found cockleburs stuck to his clothes and his dogâs fur. George noticed its natural hook and loop quality and started making a fabric fastener on the same quality.