Wind has been used for over a thousand years, with the first known windmill built between 500-900 AD in Persia (known as Iran, today). For centuries to come, wind would be used to power grain mills and scoop up water out of a river or stream. Surprisingly, the first windmill, or wind turbine, to actually produce electricity was built way back in 1887 in Scotland. Inventor James Blyth used the turbine to power his vacation home.
Now, wind turbines for electricity are slowly gaining in popularity, but the race is on to see who can make them more and more efficient. Just like solar power, not all of the energy gained from wind can be used.
How do Wind Turbines Work?
Wind turbines are obviously more suitable to windy environments, as it uses the wind to turn its blades. The blades typically rotate at 18 RPM, which is pretty slow, so a series of gears are installed inside the shaft that rotate at 1800 RPM. Those gears then power a generator, which begins to create electricity. The video below gives great information for those looking to learn more about how wind turbines work.
Locogen Wind Turbine Timelapse
Now, for the main attraction. The 330KW wind turbine in North Ayrshire, Scotland. The structure stands 200 feet high (61m) and is Locogen’s Enercon E33 turbine. In the video, you’ll see the entire construction process, from beginning to end and it’s filmed up close, so you can see pretty much every detail. Typically, timelapse videos only show an overview of the entire site, so you can barely tell what’s actually being done, so it’s nice to see a company take a different approach.
Not all demolition videos can be implosions and that’s OK, because each type of demolition is its own art form. Sometimes contractors are bound by the constraints of the job, especially when located in an area with a large concentration of pedestrians and other public areas. That was the case for the construction site of the future One Vanderbilt Tower in New York City, which just completed the demolition of five different buildings covering an entire city block.
“They don’t build ‘em like they used to,” as people love to say. That phrase could definitely be applicable to the 93 year old Broadway Bridge in Little Rock, Arkansas, that refused to fall even after it was lined with explosives. This certainly isn’t the first time a demolition has failed and it’s probably not the last.
The weight of dirt is serious business and the force it provides should not be underestimated. Depending on the moisture content, soil can weigh around 2,000 pounds per cubic yard. Many construction workers die each year from trench collapses due to improper shoring and benching techniques, but weight and force calculations are also extremely important in the design and construction of retaining walls.
Habitat for Humanity is one of the construction industry’s favorite volunteer organization and for good reason. Over the past 40 years, the non-profit builder has helped construct, rehabilitate, or preserve over 800,000 affordable houses for families in need. It’s truly an area that construction workers throughout the world can showcase their skills and donate their time, in order to give back to their community.
It’s not often that a gigantic pack of construction vehicles are seen on the same site together, been when they do, it’s pretty memorizing. Some of our favorite construction videos of all time involve more machines than you would think could fit in one space, like this 10 hour demolition of a Canadian Overpass or this video of 116 excavators working side-by-side in China. Very few jobsites have the luxury of throwing a bunch of machines and labor on a project, but, if performed correctly, it can get a job done pretty quickly.
Just because construction work happens every day, doesn’t make it any less thrilling of a job. Some people like to climb mountains, others like to climb building that are under construction and bridges that need maintained. Some people don’t like looking over balconies a few stories off the ground, yet many times construction and maintenance workers have to actually do work while dangling 500 feet up in the air.
Decades in the making, The Smithsonian Institution’s National Museum of African American History & Culture (NMAAHC) officially opened its doors to the public on September 24, 2016. Contained inside are over 36,000 artifacts that document and promote the accomplishments of African Americans throughout history and is “the only national museum devoted exclusively to the documentation of African American life, history, and culture,” according to the museum’s website.
The Onion, the fake news site known equally for its amazing funny satire as its poignant social commentary, has been entertaining people and confusing others into thinking their content is real since 1988. In recent years, the Onion has evolved from simply print media, to audio and visual content, as well. In one of their recent series, Sportology, which parodies ESPN’s Sport Science, the company absolutely skewered the reported terrible working conditions that Brazilian construction workers faced while completing the venues for the 2016 Rio Olympics. 11 workers were killed over the course of the projects and there were many infractions reported that some workers had 23 hour shifts or worked 25 days straight.
Last year, we shared a video of 6 Scottish high rise buildings that were imploded simultaneously, which was one of our favorite demolition videos of 2015. The problem, however, was that only 4 of them actually fell completely, causing delays as crews had to use high reach machinery to complete the job.
The final product of record breaking structures get a lot of publicity, but what the public doesn’t see is the years of hard work that went into breaking that record. Construction workers are the unsung heroes projects, rarely getting the recognition that they deserve. Last week, we showed you the amazing footage of the tallest and longest glass bridge, which is a 1410 foot long (430m) and 984 foot tall (300m) fear inducing tourist attraction in China’s Avatar Mountains.