The British public has voted the X-ray machine as the best invention.
In a poll organized by the Science Museum in London, members of the public voted on the exhibit they thought was the most important.
In the top 10, the first three places were filled by medical inventions. Information on all the items is found at the Science Museum in London.
Out of nearly 50,000 votes cast, one in five people named it for having made the greatest impact on the past, present and future.
Ten of the most significant objects in science, engineering, technology and medicine were selected for the vote.
X-rays provided the first possibility of looking inside someone's body without cutting them open - a massive medical advance