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Brazil's first freeway, the Rodovia Anhanguera in São Paulo state, was completed in 1953 as an upgrade of the earlier undivided highway. That same year, construction of the second highway, Rodovia Anchieta, between São Paulo and the Atlantic coast, began. Freeway construction, most of them upgrades of older undivided highways, quickened in ...
Concept art of hyperloop inner workings. Hyperloop is a proposed high-speed transportation system for both passengers and freight. [1] The concept behind the Hyperloop originated in the late 17th century with the invention of the world's first artificial vacuum, which led to designs for underground rapid transit systems powered by pneumatics in the decades that followed.
The Veterans Memorial Parkway in London, Ontario is a modern at-grade limited-access road with intersections. A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, and partial controlled-access highway, is a highway or arterial road for high-speed traffic which has many or most characteristics of a controlled-access highway ...
The H-M-Vehicles Free-Way (H-M meaning high mileage) was a three-wheel microcar manufactured in Burnsville, Minnesota, from 1979 to 1982. [1]HMV Freeway vehicles, 2010. These small commuter cars had a single seat and were powered by a 12 or 16 hp (9 or 12 kW) gasoline engine [2] or a 4 hp electric motor. [3]
Time Capsule I weighs about 800 pounds (360 kg), while Time Capsule II weighs about 400 pounds (180 kg). [5] Time Capsule I was made of a non-ferrous alloy called Cupaloy, created especially for this project. [6] Designed to resist corrosion for 5,000 years, the alloy was made of 99.4% copper, 0.5% chromium, and 0.1% silver. [7]
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The National World War I Museum and Memorial in Kansas City on Wednesday showed off an excavated century-old time capsule, revealing a cornucopia of early 20th-century relics, artifacts and documents.
The front cover of the Kansas City Star newspaper, engraved on a copper plate, is displayed on stage during the unveiling ceremony of a 100-year-old time capsule at the National WWI Museum and ...