This Perpetual Calendar Hidden in an Italian Chapel Is a Mathematical Marvel
(via Atlas Obscura) The 19th-century device accurately tracks 4,000 years with nine cylinders and a crank.
Read more(via Atlas Obscura) The 19th-century device accurately tracks 4,000 years with nine cylinders and a crank.
Read more(via Great Big Story) In the past, making and developing metal was too costly for carpenters in Japan. So instead
Read more(via Listverse) Whenever you create something new, patent it as soon as possible, or others might take advantage of your
Read more(via Mental Floss) In 2004, the rover Opportunity landed on Mars. Originally intended to serve a mere 90-day mission, the
Read more(via Popular Mechanics) More than 40 years in the making, the Saturn V rocket was born of the worst war
Read more(via Atlas Obscura) The team, officially known as Asociación Polar Trineo de Viento, conquered 1,577 miles at temperatures as low
Read more(via Mental Floss) As we celebrate Black History Month, it’s important to look back at the brave men and women
Read more(via Smithsonian) A historian of 20th century media argues that the technological innovation was the quintessential Cold War machine.
Read more(via Cheddar) Ever wonder why some old songs sound outdated and others sound like timeless classics? Cheddar explains how the
Read more(via Listverse) Automobiles have come a long way since 1885. Several features we take for granted in today’s cars were
Read more(via Atlas Obscura) The Mid-America Windmill Museum, in Kendallville, Indiana, exists almost entirely outdoors. Its 53 specimens, most of them
Read more(via Listverse) One of the most baffling mysteries in history has been trying to explain the incredible feat of engineering
Read more