The attic is one of the easiest places to add insulation to improve the comfort and energy efficiency of your home. AttiCat Expanding Blown-In Insulation is designed for your attic insulation project in new or existing homes. The specially designed AttCat machine conditions the insulation by adding millions of tiny air pockets that give the material its insulating power and energy-saving R-value over time.
The first telegram in the United States was sent by Morse on 11 January 1838, across two miles (3 km) of wire at Speedwell Ironworks near Morristown, New Jersey, although it was only later, in 1844, that he sent the message  WHAT HATH GOD WROUGHT  from the Capitol in Washington to the old Mt. Clare Depot in Baltimore.
Loomis was able to make a meter connected to one kite cause another one to move, marking the first known instance of wireless aerial communication. Guglielmo Marconi: an Italian inventor, proved the feasibility of radio communication. He sent and received his first radio signal in Italy in 1895.By 1899 he flashed the first wireless signal across the English Channel and two years later received the letter S, telegraphed from England to Newfoundland.This was the first successful transatlantic radiotelegraph message in 1902.y 1899 he flashed the first wireless signal across the English Channel and two years later received the letter S, telegraphed from England to Newfoundland. This was the first successful transatlantic radiotelegraph message in 1902.