converter
Inventions
Greatest inventions of humans
en
false
false
aircraft
Achieve flight through fixed wings
false
false
antibiotics
Drugs that kill bacteria
false
false
automobile
A motor vehicle for passengers
false
false
batteries
Store electrical energy
false
false
bicycle
Efficient human powered vehicle with 2 wheels
false
false
boomerang
When thrown, it returns
false
false
clocks
Accurately displays the time
false
false
computers
One is in front of you right now
false
false
dynamite
A powerful high explosive
false
false
electricity
The flow of electrons
false
false
elevator
Allows for speedy vertical travels within tall buildings
false
false
email
Fast method of sending mail through the internet
false
false
helicopter
Rotating blades on this craft allow flight
false
false
hovercraft
Vessel that floats on a cushion of air
false
false
internet
The global computer communications network
false
false
lasers
Intense beam of light
false
false
paperclip
Holds paper objects together temporarily
false
false
photography
Snapshots of moments in time
false
false
plastics
Petroleum-based polymers with a range of properties
false
false
radar
Radio waves provide the spatial location of objects
false
false
radio
Sound recieved from electromagnetic waves
false
false
steamengine
The pressure of water vapor drives this engine
false
false
telephone
A vocal communication device
false
false
television
Electrical device that displays moving images
false
false
tetris
Puzzle game made famous by the Gameboy console
false
false
transistor
Foundation of modern electronics
false
false
velcro
Hook and loop fasteners
false
false
wheel
Circular object that allows for low-friction motion