Hans Lippershey applied for an early patent on this optical instrument for viewing distant objects.

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TechnologyOne small aha

Your new ahaThe Telescope

A telescope's aperture determines how much light it can collect. Source: Telescope ↗

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29This optical instrument magnifies tiny objects; compound versions use more than one lens.IDENTIFY
The Microscope
Zacharias Janssen is credited with early compound microscope designs that revealed a world invisible to the eye.
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30Josephine Cochrane patented an early practical machine of this kind for washing plates and cups.RECALL
The Dishwasher
Josephine Cochrane invented the dishwasher partly out of frustration with servants chipping her fine china.
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01Edison and his team improved this electric lighting device with a longer-lasting incandescent filament.RECALL
The Light Bulb
Edison's light bulb made electric lighting practical after testing thousands of materials for a durable filament.
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