05 Old Technologies That Might Make a Comeback

Ecclesiastes tells us, "What happened will be again, and what was will be again." There is nothing new under the sun. Back in the waters of a wind-driven world. It can travel in parallel corridors. Although coal use is still declining, other sources of electricity can provide the heat to generate steam, which could power trains and other vehicles, and could be allowed to rely on steam as a power source.

The recently revived pleasures of baking and home cooking have led to an increase in the preservation of foods in the home. American railroads are still in the planning stages of returning to easier and faster intercity travel, taking passengers to city centers rather than remote airports on the outskirts. The proliferation of smartphones and other devices may lead you to think that cameras are becoming obsolete. However, even the humble Polaroid camera may be poised for a comeback. Here are 05 forgotten technologies that can and, in some cases, actually make their way back into mainstream use.

1. Sail powered ships

Perhaps no other means of transportation created by mankind is less environmentally friendly than the ship. World trade routes still follow the winds and currents drawn by ships that have literally received free electricity throughout their journey. Of course, ships could not exceed the speed of the wind they drove. Indirect routes were often required between destinations to take advantage of prevailing winds and avoid headwinds. However, ships emit no greenhouse gases, except for those emitted by humans and livestock, while maintaining a fairly reliable service for centuries. And now they can happen again. Experimental vessels powered by wind and solar panels are already being tested at sea.

A wing-like plane is being developed, by the vertical angle of wind that pilots call "lift". Instead of lifting the plane into the air, the force pushes the plane forward. Covering one side of the sail with solar panels allows the ship to charge the batteries, which provide power to the ship's electrical systems, controls, and lighting. Another version of wind-powered ships, using a giant kite-like device called a sky sail, allows the wind to pull the ship as the ship unfolds in front of it. and another based on sails bent on masts and spars. The design allows wind power to supply up to 60% of its requirements, reducing the use of engines whatever their fuel source.

2. Steam-powered locomotives

Steam powered the Industrial Revolution in the 19th and 20th centuries. Nowhere was this more visually evident than on the railroads of the world. Steam engines, some burning coal and some wood, transported passengers and goods across plains, deserts, cities and towns, mountains and rivers. Water towers dotted the landscape everywhere, allowing locomotives to fill up on their journeys. Gradually, in the 20th century, diesel-electric locomotives began to replace their powerful steam-powered predecessors. Electric railways eliminated the need for steam locomotives in more urban areas. By the mid-1950s, commercial steam trains were almost gone, a bygone era.

Although not a steam engine in the purest sense, since its power comes from hydrogen cells, a British-French consortium is working on a design that puts steam back on the rails. Hydrogen-powered trains entered service in Germany in 2018, carrying passengers. Other countries are experimenting with hydrogen-powered trains, planning to use them in areas where rail electrification is not possible. The advantage of a hydrogen-powered engine is that it provides enough power to run safely and reliably, competing with diesel-powered trains. It does this without releasing greenhouse gases or hydrocarbons into the atmosphere. Instead, hydrogen cells release water in the form of vapor in their kinetic configuration.

3. Steam-powered automobiles

Steam-powered cars were popular in the early days of the automobile, in part because many craftsmen and operators had experience with steam engines. Ransom E. Olds, builder of the famous REO Speedwagon and founder of Oldsmobile, built early steam cars. Perhaps the most famous of all steam-powered cars was made by the Stanley Brothers, better known as the Stanley Steamer. Steamships have traditionally competed in races with powered cars, often with success. But it was painful in many ways, some of which required long initiation periods. The need to increase the steam pressure of the boiler does not suggest its use in a short time. Henry Ford's Model T sounded its death knell, as did many other competing automakers. The last commercially sold American steam car left production in 1930.

However, steam appears poised to make a comeback as auto manufacturers look for alternatives to the internal combustion engine as their preferred power source. Companies like Volkswagen, Honda, Toyota and smaller research firms have developed steam engines that outshine their predecessors' weirdness. Advancements in steam technology take advantage of advanced materials to provide better steam condensers, boilers and throttle control systems. Although as of this writing no serious efforts have been made by any major automaker to develop a modern steam-powered vehicle, research into steam-powered vehicles continues. In 2009, a British team developed a steam-powered car that reached speeds of 148 miles per hour, which is a record for a steam-powered car.

4. Vinyl records and turntables

Before broadcasting, before MP3s and before CDs, people took their music home in the form of long-playing vinyl records called LPs. Musicians recorded them as albums, and in the 1970s a new genre appeared on the radio, known as rock. Listening to albums became a ritual, including cleaning the record before placing the stylus on the tone arm over the groove of the record. The kits, which included recording and style cleaning sources, were part of the audiophile's sound system as well as the turntable. When compact discs came along, their convenience and size contributed greatly to their instant popularity. Listeners report being amazed at the clarity of their sound, even though they were unaware that many classic analog LPs that have been digitized have been remastered as part of the process. LP sales declined as digital recording took over the industry.

A disgruntled minority disagreed, citing the warm sound the vinyl LP provided through a good turntable. After more than two decades of declining sales for both, it's making a comeback, and it's still gaining momentum. In 2006 sales of turntables and LPs peaked. It's increased every year since then, including over 46% between 2019 and 2020. In the last year, LPs accounted for 27% of album sales, indicating they were far from the projected 90s. While streaming still dominates the way consumers access music, vinyl records and turntables may be returning to the point where they became the preferred source of music entertainment in the home.

5. Convenient intercity rail travel

During the 1950s and 1960s, the second wave of air travel and the Interstate Highway System dealt a major blow to the passenger rail industry. While Europe responded by modernizing its railroads, America quickly went into decline. names of major American railroads; Gone are New York Central, Baltimore and Ohio, Chesapeake and Ohio, Burlington, and many others, their remnants merging into a private, publicly owned company known as Amtrak. However, ridership fell, old routes disappeared, and many small American towns lost passenger rail service altogether. However, there are encouraging signs that light commuter rail is making a comeback in the United States, with significant public support.

In the busy Eastern Corridor between Washington, D.C. and Boston, Amtrak service continues to expand. The expansion is on the Midwest and South routes, with additional trains to the cities already in place, and new routes to the cities not currently served. Modern, eco-friendly engines and cars are likely to increase the number of passengers in mid-sized cities, creating schedules that are more convenient for business travelers. Passenger demand for expanded intercity rail continues to grow, in part because cars jam around American cities on a routine basis. Louisville, Kentucky, Las Vegas, Nevada, Columbus, Ohio, Nashville, Tennessee, and Colorado Springs, Colorado are just a few of the long list of US cities that have no passenger rail service as of this writing. Everyone has had the service before, and everyone is likely to witness its return.