Inventions In which decade was the transistor invented? 1940s 1960s 1980s 1950s 1940s 1960s 1980s 1950s ANSWER DOWNLOAD EXAMIANS APP
Inventions This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece. Mae Jamison Bessie Blount Marjorie Joyner Beulah Henry Mae Jamison Bessie Blount Marjorie Joyner Beulah Henry ANSWER DOWNLOAD EXAMIANS APP
Inventions William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________? Owner of a pizza parlor Student at Yale Pie maker Ceramic plate designer Owner of a pizza parlor Student at Yale Pie maker Ceramic plate designer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bakelite? Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear Leo Hendrik Baekeland Roy Plunkett Henry Ford Charles Goodyear ANSWER DOWNLOAD EXAMIANS APP
Inventions For what does the world owe Almon Strowger a debt of gratitude? Parking Meters Traffic Lights Vending Machines Automatic Telephone Exchanges Parking Meters Traffic Lights Vending Machines Automatic Telephone Exchanges ANSWER DOWNLOAD EXAMIANS APP
Inventions What charge card, developed in 1950, was the first to be accepted nationally in the US? Diner's Club MasterCharge Visa Discover Diner's Club MasterCharge Visa Discover ANSWER DOWNLOAD EXAMIANS APP