Who invented the first antivirus software? Who invented stethoscope ? Who invented the first medical pacemaker? Who was the first medical doctor in the world? Who invented the vaccine for smallpox? Who invented the chemical battery? Who invented the first hospital? Who invented toothpaste? Who ...
Who invented the first dishwasher? Who invented the welding machine? Who invented the first rocket that went into space? Who invented the simple electric motor? Who invented the first battery? Who invented the first medical pacemaker? Who invented the first gatling gun? Who invented the first co...
researchers at Harvard University and Emory University have created a school of robotic fish. They can swim by recreating the contractions (收缩) of a pumping heart. Researchers say the experiment could advance pacemaker (心脏起搏器) technology and improve the development of artificial hearts for ...
Who was the first medical doctor in the world? Who invented the first antibiotic? Who invented the first medical pacemaker? Who invented the first blood transfusion? Who invented the first telephone? Who invented the first wheelchair? Who invented the first website?
Who invented the scanning electron microscope? Who invented the first medical pacemaker? Who invented the digital calculator? Who invented the first calculating machine? Who invented the electronic calculator? Who invented the digital thermometer?