A young man shows off his new Sony PlayStation Vita portable gaming device that he just bought at the Sony Store during the official German launch of the new Vita on February 21, 2012 in Berlin, Germany. Several hundred video gaming enthusiasts waited hours in line to be among the first to buy the new device. (Photo by Sean Gallup/Getty Images)

A family member of a torch relay runner wearing a protective mask uses a portable electric fan to cool down as she attends a torch kiss event during Tokyo 2020 Olympic torch relay celebration at Shinagawa Central Park in Tokyo, Japan, July 21, 2021. (Photo by Issei Kato/Reuters)

View of the visitor walkway at the Iguazu Falls, which was destroyed by the strong current of the river on the triple border between Brazil, Argentina and Paraguay, on October 30, 2023. The Falls are flowing at over 24 million liters of water per second, according to hydrological monitoring by Companhia Paranaense de Energia (Copel). This is the second highest flow since 1997, when monitoring became automatic and was measured hourly. (Photo by Christian Rizzi/AFP Photo)

Shrine Parishioners pull their portable shrine during Nada No Kenka Matsuri, or Nada Fight Festival at Matsubara Hachiman Shrine on October 16, 2011 in Himeji, Hyogo, Japan. The fight, the highlight of the shrine's Autumn Harvest Festival, attracts 100,000 people. (Photo by Buddhika Weerasinghe/Getty Images)

Master Sergey Suprun uses a portable radio set as he stands near a rotary dredge which works on the coal face of the Borodinsky opencast colliery, near the Siberian town of Borodino, east of Krasnoyarsk, Russia October 27, 2015. The Borodinsky colliery, 9 km (5.6 miles) long and more than 100 meters (328 feet) deep, annually produces more than 20 million tons of coal and is considered to be the biggest opencast coal mine in Russia, according to official representatives. (Photo by Ilya Naymushin/Reuters)

Militant Islamist fighters take part in a military parade along the streets of Syria's northern Raqqa province June 30, 2014. The fighters held the parade to celebrate their declaration of an Islamic “caliphate” after the group captured territory in neighbouring Iraq, a monitoring service said. The Islamic State, an al Qaeda offshoot previously known as Islamic State in Iraq and the Levant (ISIL), posted pictures online on Sunday of people waving black flags from cars and holding guns in the air, the SITE monitoring service said. (Photo by Reuters/Stringer)

Invented in 1920′s this could be world’s first navigation system. No satellites or digital screens were used in the making of this portable navigation system. Called Plus Fours Routefinder, this little invention was designed to be worn on your wrist, and the “maps” were printed on little wooden rollers which you would turn manually as you drove along.

Nancy Ponce of Donna gets her hair done in the tag team creativity cut during the 2nd Annual El Grito Barber Derby competition at club Famoso Fuego Sunday, September 18, 2022 in McAllen. (Photo by Delcia Lopez/The Monitor via AP Photo)