Lightning is a fascinating natural phenomenon that keeps regular people and scientists asking questions. While there are still aspects of lightning that remain a mystery to experts, we know a lot about why lightning occurs and what happens when it strikes. How Lightning Strike ...
Read MoreOriginally a nomadic tribe until they settled in Mexico, the Aztecs built their empire in the city of Tenochtitlan in the 14th century. They were excellent farmers and builders and prided themselves on their work, avoiding the use of animals and doing it themselves. Although they ...
Read MorePopcorn ceilings were often used in the '60s and '70s since there was no painting required, and it was a quick and easy fix to imperfections in the ceiling. Unfortunately, it can be difficult to match if it needs to be patched up from holes and cracks, and the texture makes it di ...
Read MoreAbove Photo of Enigma Machine by Alessandro Nassiri The Enigma machine was developed in the early 20th century at the end of World War I, and used in all branches of the German military during World War II. The Enigma machine was an encryption device which scrambled the letter ...
Read MoreWith the winter months gone and thunderstorm season approaching, now is an ideal time to make sure your home is in good shape for the rest of spring. Keeping up on some small tasks on the interior and exterior of your home can save time and money. Delay your costly repairs by ext ...
Read MoreBefore modern engineering technology was available, civil engineers used technical tools and hand calculations to build their drafts and designs. Before the days of computer aided drafting software - such as AutoCAD - engineers needed exceptional sketching and mechanical drawing ...
Read MoreTrees offer fantastic shade during the summer months, but you don’t want the branches looming over your home. Keeping your trees maintained will help prevent possible significant damage to your home. In the winter, snowfall, ice, and freezing weather can snap tree branches and se ...
Read MoreDouble-pane windows save money and increase the value of your home. Many homeowners do not realize that windows are the source of up to 30 percent of a home's energy loss. Replacing single-pane windows with energy-efficient double-pane windows becomes a long-term win for your poc ...
Read MorePerhaps the most famous suspension bridge in the world is San Francisco’s Golden Gate Bridge. The expansive bridge with its monolith towers and crisscross cables is a beauty to behold - but many do not know how these beautiful structures actually work. Understanding How a Suspen ...
Read MoreReinforced concrete (RC) is one of humankind's greatest innovations in building and structures. Thanks to reinforced concrete, enormous and complicated structures are made possible. How it works is relatively simple as the basic concrete composite material encases steel reinfo ...
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