At one end of the needle is an opening that is its eye. Despite this, the eye cannot see the needle. Therefore, the needle has one eye but cannot see the answer. Do inventors make a lot of money? You ...

According to the United States Patent and Trademark Office (USPTO), the basic cost of filing a patent application is $300. However, if you are a small entity, the price is $150 and the micro entity fee (for an individual) is ...

The Battery The Baghdad battery, also called the Parthian battery, is said to be the oldest in the world; it is about 2000 years old. What things are needed to be invented? 7 things that need to be invented now ...

Because these planets had been known to humans for millennia, Uranus was in fact the first planet in recorded history to be “discovered” at all. What was Galileo’s first invention? Galileo, telescopes and the Medici court In 1609 Galileo built ...

A U.S. utility patent, outlined above, is generally granted for 20 years from the date on which the patent application is filed; however, periodic fees are required to maintain the enforceability of the patent. How long does a patent last? ...