The bicycle as we know it today was originally developed as the "safety bicycle", because other bikes ____ were extremely dangerous.

The earliest computers were developed during World War II for processing ballistic numbers and numeric analytics, but the thought of having machines ____ difficult mathematics can be traced back to England in the years around 1800.

A patent invention is protected by law ____ only particular people or companies have the right to make or sell it.

It's hard to credit just one person with the invention of television, but it's indisputable that John Logie Baird was the first to transmit moving pictures.

Ever since the first prehistoric stone tools, ____ have lived in a world shaped by invention.

The European Patent Convention, which was implemented in 1977, created a European Patent Office that can issue ____ European patent.

The carbon dioxide gas given ____ by the fermenting vat was known as "fixed air".

The late 1800s and early 1900s ____ excitement over a wide array of inventions and developments.

Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s)

It was not until 1959, twenty-one years after Carlson invented xerography, that the first convenient office copier using xerography was unveiled.

Throughout History Inventions ____ the world and the lives of people many times through history.

Ever ____ the invention of the hydrogen bomb, attempts have been made to harness the power of nuclear fusion for peaceful purposes.

The invention of printing on paper provided a technology ____ which information could be stored over the long term.

It is the classical Athenians who can probably lay claim ____ the invention of commercial advertising as we know it today.

Some inventions make bigger impact on the public than ____, and some inventions quickly become part of everyday life.

An invention developed ____ one purpose will sometimes find use in entirely different circumstances.

The first American ____ the propelling of a boat by steam was William Henry, a gunsmith of Lancaster, Pennsylvania.