A student of the department for aritificial intelligence at the Freie Universitaet Berlin steers a converted Dodge minivan remotely with an iPhone during a demonstration at Tempelhof Airport on November 2, 2009 in Berlin, Germany. The car, whose design was led by professor Raul Rojas, is outfitted with a variety of laser sensors, GPS antennae and computers. (Photo by Sean Gallup/Getty Images)

David Beckham and Victoria Beckham arrive to attend the Royal Wedding of Prince William to Catherine Middleton at Westminster Abbey on April 29, 2011 in London, England. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Pascal Le Segretain/Getty Images)

“Sangoma” initiate Dipuo Banda (C) is led out of her teachers shack while she remains in a trance like state prior to dancing during her 3 day initiation ceremony with her teacher, family, friends and students in the Alexandra Township in Johannesburg, South Africa, 14 May 2021. Sangomas, the Zulu term for Medicine Women or traditional healers, fulfill different social and political roles in the community, including divination, physical healing, emotional and spiritual illnesses, directing birth or death rituals and finding lost cattle. (Photo by Kim Ludbrook/EPA/EFE)

The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the formula FeS2. This mineral's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold. The color has also led to the nicknames brass, brazzle, and Brazil, primarily used to refer to pyrite found in coal.
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest shapes found in crystals and minerals.

Prince William exchanges rings with his bride Catherine Middleton in front of the Archbishop of Canterbury Rowan Williams inside Westminster Abbey on April 29, 2011 in London, England. The marriage of Prince William, the second in line to the British throne, to Catherine Middleton is being held in London today. The marriage of the second in line to the British throne is to be led by the Archbishop of Canterbury and will be attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by Dominic Lipinski - WPA Pool/Getty Images)

Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge walk hand in hand from Buckingham Palace the day after their wedding to a waiting helicopter as they leave for a secret honeymoon location, on April 30, 2011 in London, England. The marriage of Prince William and Catherine Middleton was led by the Archbishop of Canterbury and was attended by 1900 guests, including foreign Royal family members and heads of state. Thousands of well-wishers from around the world have also flocked to London to witness the spectacle and pageantry of the Royal Wedding. (Photo by John Stillwell - WPA Pool/Getty Images)

A woman looks at goldfish through the warped wall of a fish tank at the Art Aquarium exhibition in Tokyo July 10, 2015. Several thousand goldfish are displayed in dozens of uniquely shaped tanks, using LED lights, projection mapping and music in a show that was produced by Japanese designer Hidetomo Kimura. (Photo by Thomas Peter/Reuters)