A bunker at aformer Swiss artillery fortress called Heldsberg stands near the town of St. Margareten, Switzerland March 22, 2015. Heldsberg fortress, located on the Swiss-Austrian border near the River Rhine and Lake Constance was built from 1938 to 1940 and remained in military use until 1992. Since 1993 it is open to the public as Fortress Museum Heldsberg. (Photo by Arnd Wiegmann/Reuters)

Visitors review their cell phone photos of an installation called “Plexus A1” by artist Gabriel Dawe, one of nine large-scale art installations displayed at the “Wonders” exhibit at the Renwick Art Gallery in Washington, DC, Wednesday, January 13, 2016. Built in the 1860s, the Renwick was the first American building to be designed specifically as an art museum; it recently reopened after a two year renovation. (Photo by Jim Lo Scalzo/EPA)

Rishikis from Japan's Sumo Kyokai, Daisuke Kitanowaka, right, and Akira Fukutsuumi pose for a photo call outside of London's Royal Albert Hall in London, Wednesday, December 4, 2024 where the UK's second ever official basho will take place in October of next year. (Photo by Thomas Krych/AP Photo)

The Intel logo is projected on the face of Intel Executive Vice President Dadi Perlmutter as he speaks during a news conference about the 3-D Tri-Gate transistors called “Ivy Bridge” on May 4, 2011 in San Francisco, California. Intel announced a technical breakthrough in the microprocessors with the world's first Tri-Gate transistors, that will increase speed and consume less energy. (Photo by Justin Sullivan/Getty Images)

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.

A light pillar is a visual phenomenon created by the reflection of light from ice crystals with near horizontal parallel planar surfaces. The light can come from the Sun (usually at or low to the horizon) in which case the phenomenon is called a sun pillar or solar pillar. It can also come from the Moon or from terrestrial sources such as streetlights.

The French graphic designer and photographer uses a method he calls “digital matte painting”, layering several photos on top of each other to create an incandescent composition that seems eerily familiar yet ultimately impossible. Filled with tumbling clouds and glowing focal points, the images possess a depth that stretches the two-dimensional canvases backward as violent skies seem to undulate before the viewers' eyes.

Photographer Tyler Shields had become comfortable, a feeling he found “terrible” as an artist. He wanted to do something challenging, something that pushed the human boundaries. So he spent a year documenting heights, fear, energy and falling – a series he calls “Suspense”. Photo: “Balloon”. (Photo by Tyler Shields)