hovercraft, clocks, nanomedicine

“Nanomedicine is the medical application of nanotechnology. The approaches to nanomedicine range from the medical use of nanomaterials, to nanoelectronic biosensors, and even possible future
What Is Nanotechnology? | Wonderopolis
“Nanotechnology is a broad term that encompasses technology, science, and engineering across many different fields, such as chemistry, biology, and physics.
“hovercraft, a craft capable of travelling over land, water, mud or ice and other surfaces both at speed and when stationary. They operate by creating a cushion of high-pressure air
Google Maps
“Google Maps is a web mapping service application and technology It offers street maps, a route planner for traveling by foot, car, bike (beta), or with public transportation
How Gears Work | HowStuffWorks
“Gears are used in tons of mechanical devices. They do several important jobs, but most important, they provide a gear reduction in motorized equipment.
“A watch is a timepiece, typically worn either on the wrist or attached on a chain and carried in a pocket. Wristwatches are the most common type of watch used today. Watches evolved in the 1700s
“A clock is an instrument for measuring, indicating and maintaining the time.The clock is one of the oldest human inventions, meeting the need to consistently measure intervals of time
How Did People Keep Time Before Clocks? | Wonderopolis
“many ancient peoples, including the ancient Babylonians, Egyptians, Chinese, and Hindus, divided the Sun’s cycle into different timekeeping periods.