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What else can I help you with?
Why are airships safer than today they were in the past?
Modern airships use Helium for lift which is non-combustible whereas in the past airships such as the Hindenburg used Hydrogen for lift which is highly combustible. In addition, modern airships take advantage of new alloys and polymers which give them a much stronger airframe.
Which 2 gases are found in airships?
Hydrogen and helium gases are commonly used in airships for lift. Helium is safer than hydrogen due to its non-flammable nature, although it is less buoyant.
Do you think Food is safer today than it was 100 years ago?
It depends on how you look like it. 100 years ago, you didn't have the ideas of bacteria and other germs. So in that way, today's food is much safer. But in the idea of safer as in, 'fattty', it's not safer. 100 years ago, sugary, packaged foods were not around. So food today is not safer for your cholesterol, but safer for colon:)
What was helium used for in the past?
In the past, helium was primarily used for lighter-than-air balloons and airships due to its non-flammable nature, making it a safer alternative to hydrogen. It was also employed in scientific research, particularly in cryogenics, as a coolant for superconducting magnets. Additionally, helium played a role in various industrial applications, such as providing an inert atmosphere for welding and as a shielding gas in manufacturing processes.
Why are airships filled with helium and not carbon dioxide?
Helium is lighter than air, providing lift for airships. Carbon dioxide is denser than air, so it would not provide the necessary buoyancy. Additionally, helium is non-combustible, making it a safer choice for aviation.
Which gas is commonly used in balloons and airships?
Hydrogen was one of the earliest gases to be used for inflatable flying balloons, but following the Hindenberg disaster helium is now used, as it is chemically inert.
What are they called dirigibles today?
Today, dirigibles are commonly referred to as airships. This term encompasses various types of lighter-than-air aircraft, including blimps and zeppelins, which are characterized by their buoyancy and ability to navigate through the air. Airships are used for various purposes, such as advertising, surveillance, and tourism, due to their ability to fly slowly and at lower altitudes.
Was it safer in the 1950's or 2000's?
Actually, they aren't that much different. We think that the earlier time was safer and that people were happier, but this is all perception. It was no safer or less safer than we are today. In some respects we have things that make it safer than the 1950's. A cell phone is one thing that makes it safer. Instead of having to look for a phone booth we carry the phone with us. Cars are safer. In the 1950's there were no seat belts and air bags in cars. Airlines are safer because of the new methods of air traffic control and computers. These are just a few things that make it safer today.
What is the rising number of gay people?
The number of gay people isn't actually rising. It's the same as it's always been. But gay people are coming out more often today than they did in the past, because they are feeling safer.
Why are there are so many lesbians today?
Increasing population and the fact that it is becoming acceptable in society. There is nothing wrong with it and society is becoming more accomadating to the idea that there are many gay people out there.
Why was hydrogen used to fill a airship?
Hydrogen was used to fill airships because it is lighter than air, providing lift. However, hydrogen is highly flammable, which resulted in the infamous Hindenburg disaster in 1937, leading to the switch to helium as a safer alternative.
Are home emergency generators safe and where can I buy one?
Today's generators are better and safer than models we'd tested in the past. But a carelessly used generator can be deadly. You can visit www.squidoo.com/best-selling-standby-generators to find one!!
