Get the key to lifelong learning

498 in stack Cards:

• Received a patent for carborundum -the hardest man-made surface and was needed to bring about the...
• First tried to change chicle into automobile tires, before making it into a chewing gum.
• Worked on the Mark computer series.
• The engineer whose high-frequency alternator gave America its start in the field of radio communi...
• Invented a new type of x-ray spectrometer.
• Invented the localizer antenna system for radio navigation systems.
• Invented the world's first disposable cell phone.
• Received patents for a radio distance and direction indicator, a landing system for air-crafts, a...
• Invented a fireplace dampening device.
• The third women elected to the National Academy of engineering. Holds US patent no.3287659.