it was good
Bad grammar did.
If it is a good invention and actually works, then it will only sell if you see someone famous, or have enough money to advertise it. If it is a bad invention, don't count on selling it.
no
until you comment your best one :)
the invention can be useful in the hands of a good person, but it can be harmful in the hands of a bad person.
Some people believed that the noise of his inventiion made a curse.
bad = The CO2 emissions are very high. good = It gets you to other places quickly, Upgrades in technology
Wilbur and Orville Wright's invention led to bad food, surly customer service employees and the need to take off your shoes when you go through security.
the good thing: you can use a lot of stuff with electricity The bad thing: You waste money and the earth will be destroyed if we use too much
Inventions of World War 1The Invention of the Machine GunThe Invention of the Armored TankThe Invention of the BiplaneThe Invention of the Self Loading RifleThe Invention of the FlamethrowerThe Invention of Chemical WarfareThe Invention of Tracer BulletsThe Invention of the HydrophoneThe Invention of the Aircraft CarrierThe Invention of the UAVThe Invention of Moist Towelettes (lol)
What was bad was that it used ink stamp letters, so if you made one mistake, you would have to start typing on a new piece of paper. It also was able to smudge because of the ink.