You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who determined there is an electrical force holding substances together?" whose answer is Sir Isaac Newton.
Each document should contain about 30 words, and these documents should contain useful information.

Query: robert boyle electric force
Useful Output:

Doc 1: Robert Boyle does the same experiment on electricity that is taking a body and rubbing it to make it a charged body and seeing attraction of light object.
Doc 2:  pressure difference which causes the water to rise up the neck of  Water Pump Without Electricity - Robert Boyle's Perpetual Flask.
Doc 3: This is an experimental gas law that describes how the pressure of a gas tends to increase as the volume of the container decreases.
Doc 4:  Robert Boyle stated the inverse relationship between pressure and volume as a Gas Law. Boyle's law states that at constant temperature for a
Doc 5: Electric Forces Operate in a Vacuum. In 1675 Boyle discovered that electric attraction operates in a vacuum. Some Personal Details and the