Accidental Inventions

after years of planned laboratory testing.

by a team of intelligent scientists working together.

in an unexpected way because of a mistake.

specifically to stop serious illnesses.

A glue that could be removed easily.

A super-strong glue.

Better bookmarks for his books.

Sticky notes for his office.

It stayed sticky even when wet.

It didn't damage the pages of his books.

It was the strongest glue he had ever used.

It was much cheaper than other glues.

clean his laboratory equipment.

put sugar in his bread.

wash his hands after working.

wear gloves during his experiment.

the chemical aftertaste.

the amount of carbonation.

the cost of production.

sugar and calories.

In a very hot oven.

In his laboratory while he was on holiday.

On a window sill in the sun.

In a university cafeteria.

It was growing much faster than the mould.

It was turning a different color.

It wasn't growing around the mould.

It was eating the mould.

cleaning the blood.

killing bacteria.

strengthening the heart.

cooling the body down.

a large chemical laboratory.

a university research center.

a very popular restaurant.

a factory that made baker’s chocolate.

She wanted to try a new recipe.

She had run out of baker's chocolate.

Normal chocolate was much cheaper.

Her customers requested it.

They melted and turned the whole cookie brown.

They did not mix with the dough.

They disappeared during the baking process.

They made the dough too soft to bake.

Alexander Fleming

Spencer Silver

Mark Twain

Ruth Wakefield