5 great inventions made by women

It may seem that women have been for centuries away from the great ideas that make the world progress, but is not like that .In Science Daily Online we have already seen how women have actively collaborated in this development, and this time we bring you 5 great inventions made by women that we believe will surprise you.

5 great inventions made by women

1.The Monopoly

The Monopoly, the board game par excellence, that has gathered environment at a table for several generations, he was devised by a woman: Lizzie Magie in 1903 .Lizzie patented it in 1904 with the name "The Landlord's Game".With the intention to teach the economist's thesis Henry George .A few years later, Charles Darrow made a version of Atlantic C ity, which I call Monopoly, to try to sell it to Parker Brothers, which I finally got.

5 great inventions made by women

In the legal investigations for a litigation that the toy company kept with the creator of the Anti-Monopoly, it was discovered that really the The author of the game had been Lizzie Magie .

2.The life rafts

The first liferaft patent is 1882 and its author was Maria Beaseley .Ideo a type of semi-rigid inflatable raft that unfortunately was not taken into account until many years later, after the sinking of the Titanic.Thanks to this type of rafts, whose original idea we owe to Mrs.Beaseley have saved thousands of lives.Maria registered more than 15 patents and made a great fortune thanks to a machine that invented to make wooden barrels.

3.The surgical syringe, for one-handed use

In 1899, Letitia Mumford Geer , a New Yorker patented a surgical syringe of glass suitable for is used with one hand .This is another of the inventions made by women.

5 great inventions made by women

In the patent it was described that«… their extreme positions are within reach of the fingers of the hand holding the cylinder...»It was an important advance in medicine.

4.The modern refrigerator

Florence Parpart patented in 1914 the first modern fridge that worked with electricity .Possibly devised by her in collaboration with her husband and who was an expert in electrical circuits.

5 great inventions made by women

It was not the only patent registered by Florence; I also invent , among other things, a machine to clean the streets of the cities.

5.The kevlar, the fiber of the bulletproof vests

Chemistry Stephanie Kwolek, American of Polish origin, invented a golden fiber called poliparaphenylene terephthalamide.It was patented in 1971 under the name of Kevlar .Its greatest virtue is to be five times stronger than steel .It is mainly used to make bulletproof vests, although it has another 200, including for the manufacture of submarine cable or car brakes.

If you were interested in this article, you may want to read the article on the problem of very intelligent women.

Images: Melissa O'Donohue, George Redgrave

Comments

They say your cat doesn't love you? LOVES YOU!

The pitched battle between worshipers of one kind or another is endless.The side that turns in favor of dogs ensures that dogs, no doubt, are better companions than their feline counterpart, and why? Let's see if these fundamentals are familiar to you: “Cats are cold and interested.” “Do you see their looks? I think they plan to kill the humans.”And to give the final thrust, without being fit with a pity, the fans of the hounds conclude that your cat simply does not love you.Yes, no more.

The psychological reasons that lead people to join a sect

The sects are polemic organizations that distance themselves from traditional doctrines and cover themselves in secrecy and secrecy, regarding those who do not belong to it.They are often denounced by all kinds of psychological and physical abuse, so it is difficult to imagine why someone would even consider joining one.However, they still exist throughout the world, and people continue to join these groups.Find out what motivates those who join sects. Why do people decide to join a sect? From sects like Masons to more common groups like Rotarians or even political parties, people often They seek to join groups looking for feelings of friendship, connections, identity and the opportunity to make a contribution to the world. Cults can take many forms. They can be religious or racial in nature, politi cas or mystical, self-help or pseudo-psychological, but they have distinctive characteristics. They always ask for exclusive dedication or devotion to an explicit person or...

The Smilodon, the fantastic "saber teeth"

The Smilodon. Few prehistoric creatures are so beautiful and impressive at the same time, like this unique feline better known as "saber teeth".Experts say more than belonging to the family of big cats like the tiger or the lion, the Smilodon is more like a red lynx. It was simply beautiful, it lived along the American continent at the end of the Pliocene and became extinct 10,000 years ago.reason? Due to the climatic change of our planet.As the temperature rose, the large dams, the large animals that used to feed: mammoths, horses, prehistoric bison... The smallest animals ran too much and the Smilodon was not a good runner.In addition, he had to face predators more skilled than them, as was the case with the giant wolves.That is, the change of the derived ecosystems by general warming , I have just defeated these wonderful animals, which, without a doubt, we would have loved to know. The Smilodon (saber teeth), a fierce predator First we must clarify one aspec...

3 strange addictions that will leave you ice cream

In Science Daily Online we have investigated in many occasions rare and really curious addictions.In this new entry, we show you strange addictions that some people may have (not suitable for sensitive).Keep reading! Let's start, what is an addiction? The addiction can be defined as the strong and harmful need to have a daily life with a behavior or have a great interest in something . Sometimes, people have cravings that psychologists cannot accept as real additions.Although these "obsessions" are not listed in a diagnostic manual, Here are some of the rarest addictions that exist. 3 super strange addictions! 1.Eat human ashes A woman who eats the ashes of her cremated husband is one of the people with the rare addiction that is known the well-known English program “M i strange addiction ”(you can watch the episode-> here.) In the program she looks like the widow, sad for the death of her husband, carries her ashes everywhere.In an oversight, a ...

The mystery of the giant Siberian crater

It was in July 2014.A helicopter flew over the western part of Siberia, specifically in an area of Yamal, when, suddenly, they distinguished something strange.Something had appeared out of nowhere and seemed to open its jaws from a quiet white stage.It was a crater, a gigantic abyss 60 meters in diameter and about 50 meters deep. What was its origin? What had caused such a hole in the middle of that cold and desolate area ? The news then began to spread through the media around the world, awakening all kinds of theories, from those based on a possible extraterrestrial origin, to those of those who thought, calmly and serenely, that it was best to descend inside the crater and initiate the relevant investigations. We explain to you what conclusions have been reached. The crater that emerged from nowhere In less than Half a year, three expeditions were carried out.The first two were unable to provide objective data, since the expeditions that were carried out could not f...

Armin Meiwes: the German cannibal

Armin Meiwes , better known as the Roteborg cannibal, was born in 1961.This name was acquired after killing, dismembering and eating a man he met through the Internet .A terrible story that was mentioned in all the media and from which we can find numerous documentaries .I become so shocking that even a movie was made (which you can find here, thanks to Amazon). Throughout history there have been several cases of cannibalism.From the so-called« the Brooklyn vampire », to extreme situations that do not allow Another option, the so-called survival cannibalism, and customs of some tribes. But in the case of Armin, How can anyone commit such tremendous atrocity? How do you could someone let you deceive through the internet? Next, we tell you... Armin Meiwes' personality Far from what we can think of, Armin Meiwes was a self-conscious person who turned away from the others.This worried most of their teachers.This anti-social tendency was the result, perhaps, of t...

5 Signs that you are a pathological liar

We all lie, that's right, we do it to get away with ours, not to hurt others, to get what we want.However, when those lies go from small to changing lives, you're in a dangerous situation , perhaps dangerously close to being a mitomano. There are many authors who throughout history have reflected on the lie and numerous are the phrases about the lie that today are part of our cultural background.Without a doubt it is a very interesting concept and worth exploring, but first...Are you a pathological liar? Are you a pathological liar? Find out! 1.Lies are much more frequent You should know that when you start to lie about anything, you are no longer trying to protect someone's feelings, you are a liar pathological. When you get to the point where, regardless of the situation, you get an excuse to manipulate the truth, going as far as inventing complete stories to project a better image of you...It is a clear sign that maybe you should start worrying about your te...

The real reason why babies cry at night

All of us who have been parents know that the first months of the baby are usually the most intense and exhausting, among other things because the nights of continuous sleep are interrupted for a good time, at least until the baby gets used to sleeping run and in another room, as many pediatricians recommend.And also because you know that it is very stressful when babies cry at night. Here we talk about the reasons that usually explain this crying, along with a new and controversial hypothesis. The real reason why babies cry at night The traditional reasons used to explain why babies cry at night can be summed up in four causes: 1.Sleep dynamics In the first months, the baby goes from a two-phase sleep cycle (active sleep and quiet sleep), to the adult, five-phase ; this transition can generate alterations in the infant, and crying on waking. 2.Hambre Even feeding them well with breast or some replacement of breast milk, especially during the first months , it is likely ...

"I'm dead," Cotard's terrifying syndrome

It may be that when you read the title of this article, you have felt deeply intrigued.Do people who see themselves as authentic zombies, walking corps without life and even without soul? Indeed, it is possible, according to the doctors, it is the strangest disease that exists, but also the most desperate and sad. We will give you the example of a person, a man of just over 50 years that one day, for no apparent reason, he had the firm conviction that he had died.If he told his family and his doctors.No stimulus was of interest to him, he no longer needed to eat and looked like his body, little by little , he was corrupting himself.Why did he continue in the world of the living, if all he was already a mass of lifeless flesh? Nor did he find any sense to follow the treatment offered by the doctors.Could you give your brain treatment if you "no longer had a brain"? As you can see, realities like that, despite being surprising, offer us the reflection of the most despera...

Anhedonia, when life loses its meaning

Imagine that, little by little, your days are fading like a glass that is fogging and that does not let you see what is behind it.You could clean it, pass your hand and set aside the darkness to see how the day dawns. But you don't feel like it . Try to think what your daily work would be like if you no longer find taste of food , if just sitting down to eat already It will not stimulate you.And even more.Imagine a life in which little by little, you lose the desire to meet people, to love, to look in the eyes and fall in love. Sex Stop pleasing you and no caress stimulates you.The wind no longer brings you pleasant smells, and the music does not relax you or make you vibrate...Now tell us, do you think it is possible to live like this? Everything described above has a name: anhedonia or the inability to feel pleasure. Today in Science Daily Online we talk about it. When life loses its positive side: the anhedonia To live is to surround ourselves with stimuli,...

Science Daily Online

Search This Blog