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When was the memory foam invented?
Memory foam or visco-elastic foam was developed by NASA in the mid to late 60's, but was not available to the wider public until the early 1980's.
Can army tank float in water?
Only the Vietnam era M551 Sheridan light tank (officially designated the "Armored Airborne Reconnaissance Assault Vehicle" when it was first fielded in Vietnam in January 1969). The Sheridan had a 152mm main gun, an alumimun hull, with foam flotation material imbedded into it's left and right sides. The Sheridan's turret & main gun were built of steel. All other US tanks had to crawl along the bottom of water barriers, using snorkels to breath.
Instructions on how to make a simple ww1 trench?
What size? Assuming 1/48 or 1/72 scale, a board about 2 ft square, built up with foam board, glued together to make a stack about 6" high, then cut out the trenches with a knife, sand down to get smooth, then cover with plaster of Paris or other media. Add timbers made of balsa wood, then paint. Find pictures of what you want to duplicate, then try to re-create that look.AnswerUse foam for the "body" of the model, with plywood for the base and frame of the model. Cut the trench in the foam, and cut the foam's surface with clay or paper mache. Adding replica sand bags and logs are fine details, and cotton balls, when painted appropriately, make fine smoke clouds and explosions.odel soldiers add grealty to the model as well.For a full-scale model take a shovel and dig a ditch in your back yard.make a board out of wood and pollistainrine and carve out the trences
What is a bullet proof vest made of?
Most are made from kevlar with polyester lining and covering, brands and types differ some take metal and ceramic plates others have stab resistant plates. most vest since a woman a DUPONT invented kevlar are mainly made of kevlar.
What does the third Reich mean in English?
Third Reich was the Nazi regime in Germany, 1933-1945. ORIGIN: German: 'Reich' meaning 'empire.' ANSWER The word "Reich" has two meaning. The first one is reign or Kingdom. Some examples: das Reich Der Franken (The reign of Franks), das Kingdom Der Langobarden (The Kingdom of Lombard). The second one is that of Imperium. Some examples: das Heiliges Roemische Imperium (The Sacred Roman Empire), das Britisches Imperium ( The British Empire). When in 1871 it was proclaimed The German Empire, it was called "das Deutsches Kaiserreich" to mean the union of all German Kingdoms and Principalities under the rule of the King of Prussia. But for "practical motivations" it soon became "das Deutsches Reich" (The German Empire). After the WW 1, the exile of the Emperor and the proclamation of a Federal Republic, its appellation did not change, remaining that of "Deutches Reich", but its meaning was that of "State" rather than that of "Empire". After the advent of Nazism the official appellation of Deutsches Reich" did not change either, but Germany was conventionally called by its dictatorial ruler and his associates "The Third Reich" , to distinguish it from the first "Kaiserreich" and the second "Reich", a weak republican state which did not and could not represent the real potential power and (as per their ideology) the legitimate aspirations of the whole Germany to become the world's leader nation.
Why was memory foam invented?
Memory foam was originally made to improve the safety of aircraft cushions for astronauts.
When was memory foam originally developed?
Memory foam or visco-elastic foam was originally developed by NASA in the mid to late 1960's. However, it was not available to the public until the early 1980's.
Where can I buy a memory foam mattress?
You don't have to pay an arm and a leg for a good sleep. The mission of MemoryFoam.com is to expose the promise of memory foam to every household in the country.
What is memory foam?
Memory foam is made up of a polyurethane foam material with is molded into a form of a mttress, pillow, and so on.
What is the difference between memory foam and high density foam?
High density foam is just your typical foam. It does not conform to your body when it heats up like memory foam does.
Where can one purchase a 3 inch memory foam mattress topper?
For $200 you may purchase Serta Memory Foam 3-inch mattresses from Overstock. It is originally designed for NASA, it's space age technology is designed to cradle your body in comfort.
What are some cheap alternatives to memory foam seat cushions?
Instead of purchasing a complete cushion made out of memory foam, it is possible to add one or two memory foam toppers to a regular foam cushion. This will give the support but will not be as hot or as prone to permanent indentations as memory foam.
What thickness is a memory foam mattress?
The truthful answers is: "It's the thickness you are willing to pay for". One manufacturer I know of makes memory foam mattresses in three configurations: The top 2" of the mattress is memory foam, the top 4" is memory foam, and the whole mattress is memory foam. The price varies accordingly. Personal Note: If you can't afford a memory foam mattress, try a memory foam pillow. Awesome, especially if you're a "side sleeper".
Do they make memory foam baby matresses?
Memory foam can be used for a baby mattress. anonymous@oola.com
What's the purpose of memory foam on shoes?
Memory foam on shoes makes the shoes more comfortable.
What products use Novaform memory foam?
Many products, such as sleeping mattresses, use Novaform memory foam. The memory foam is also used by various companies that sell pillows and blankets.
How to Choose a Memory Foam Mattress?
Many companies offer memory foam mattresses, which may vary in quality. The following guide provides simple tips for finding a high quality memory foam mattress. When looking for a memory foam mattress, look for information on the density of the foam. Lower density foam is often cheap and low quality, while higher density foam provides a more comfortable sleeping experience. A high quality mattress should contain at least 6 inches of high density memory foam, with lighter foam layered on top. When buying a mattress, make sure that the foam is genuine memory foam. Squeeze a sample, and see how long it takes to expand. If the foam expands to it's original shape in less than a second, it's not memory foam.
