What is this?
extinct
What's this?
jetpack
What's this?
1931
What is this?
take public transportation
What is this?
start a compaign
What's this?
Pluto
What is this?
endangered
What's this?
compass
What's this?
space elevator
What's this?
moon
What is this?
population
What's this?
oxygen
What's this?
telephone
What's this?
elevator
What is this?
pick up litter
What's this?
flying car
What's this?
1643
What's this?
Taj Mahal
What's this?
space
What's this?
planet
What's this?
1937
What's this?
fly drones
What's this?
charge our cars
What's this?
microscope
What is this?
protect
What is this?
politician
What's this?
travel through time
What's this?
Empire State Building
What's this?
1895
What's this?
light bulb
What's this?
seat belt
What is this?
hunting
What's this?
own robots
What's this?
1930
What's this?
gravity
What's this?
working from home
What is this?
Earth
What is this?
million
What is this?
write a letter
What's this?
use solar power
What's this?
X-ray
What is this?
species
What is this?
recycle
What's this?
Golden Gate Bridge
What's this?
underwater
What's this?
cement
What's this?
Eiffel Tower
What's this?
1772
What is this?
plant
What's this?
thermometer
What is this?
hold a town hall meeting
What's this?
rocket
What's this?
use holograms
What is this?
ride bikes