This topic contains a solution. Click here to go to the answer
|
Author Question: Bell Telephone Laboratories invented the ________, which replaced the vacuum tube. (Read 232 times) |
Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
Did you know?
About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.