How Do Mood Rings Work Thermochromic Crystals

The mood ring was invented by Joshua Reynolds. Mood rings enjoyed fad popularity in the 1970s and are still around today. The stone of the ring changes color, supposedly according to the mood or emotional state of the wearer. The stone of a mood ring is really a hollow quartz or glass shell containing thermotropic liquid crystals. Modern mood jewelry is usually made from a flat strip of liquid crystals with a protective coating. The crystals respond to changes in temperature by twisting. The twisting changes their molecular structure, which alters the wavelengths of light that are absorbed or reflected. Wavelengths of light is another way of saying color, so when the temperature of the liquid crystals  changes, so does their color. Do Mood Rings Work? Mood rings cant tell your emotional state with any degree of accuracy, but the crystals are calibrated to have a pleasing blue or green color at the average persons normal resting peripheral temperature of 82 F (28 C). As peripheral body temperature increases, which it does in response to passion and happiness, the crystals twist to reflect blue. When you are excited or stressed, blood flow is directed away from the skin and more toward the internal organs, cooling the fingers, causing the crystals to twist the other direction, to reflect more yellow. In cold weather, or if the ring was damaged, the stone would be dark gray or black and unresponsive. What the Mood Ring Colors Mean The top of the list is the warmest temperature, at violet, moving to the coolest temperature, at black. violet blue - happy, romanticblue - calm, relaxedgreen - average, not much going on with youyellow/amber - tense, excitedbrown/gray - nervous, anxiousblack - cold temperature or damaged ring

The, Born Or Not - 1525 Words

Thoroughbreds, Born to Fail? A swift swish of a tail, wild eyes showing white, a rider pushing forward with a whip into a metal cage. Guns sound as the clank of metal gates opening spook the horses into a frightened run. Thoroughbred horses go through this regimen every time they step onto the race track. Not to mention the other cruelties that these animals face, to ensure their success in crossing the finishing line. Controversy has trailed the animals who are pushed to their limits for the entertainment of humans, but has it gone too far? A Thoroughbred was not originally their own breed of horse, racing has its negativities, cruelty along with abuse have crept its way onto the racetrack, and there are organizations working to promote the wellbeing of Thoroughbred racehorses. Race horses were bred to have stamina as well as their renowned speed. Thoroughbreds did not exist until the first one was bred as written in an Opposing Viewpoints in Context article, â€Å"...knights returning to western Europe from the Crusades brought with them speedy Arabian stallions, which were bred with English mares to create the line now called Thoroughbred. Thoroughbreds are fast, graceful runners and are identified by their height and long, slim legs† (Meyer). These animals have been bred throughout the years to become fragile, nervous, and consequently jumpy. Spending 23 hours a day, 7 days a week, in a 12 by 10-foot box stall generates a miserable animal. These horses are not allowed to beShow MoreRelatedChildren Are Not Born?1220 Words   |  5 PagesChildren are not born knowing the difference between red and green, nice and mean, cold and hot, or any number of physical or emotional sensations. The natural world is the young child’s first curriculum and can be learned with direct interaction with others. 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Lbj’s Great Society Free Essays

Lyndon Baines Johnson moved quickly to establish himself in the office of the Presidency. Despite his conservative voting record in the Senate, Johnson soon reacquainted himself with his liberal roots. LBJ sponsored the largest reform agenda since Roosevelt’s New Deal. We will write a custom essay sample on Lbj’s Great Society or any similar topic only for you Order Now The aftershock of Kennedy’s assassination provided a climate for Johnson to complete the unfinished work of JFK’s New Frontier. He had eleven months before the election of 1964 to prove to American voters that he deserved a chance to be President in his own right. Two very important pieces of legislation were passed. First, the Civil Rights Bill that JFK promised to sign was passed into law. The Civil Rights Act banned discrimination based on race and gender in employment and ending segregation in all public facilities. Johnson also signed the omnibus Economic Opportunity Act of 1964. The law created the Office of Economic Opportunity aimed at attacking the roots of American poverty. A Job Corps was established to provide valuable vocational training. Head Start, a preschool program designed to help disadvantaged students arrive at kindergarten ready to learn was put into place. The Volunteers in Service to America (VISTA) was set up as a domestic Peace Corps. Schools in impoverished American regions would now receive volunteer teaching attention. Federal funds were sent to struggling communities to attack unemployment and illiteracy. As he campaigned in 1964, Johnson declared a â€Å"war on poverty. † He challenged Americans to build a â€Å"Great Society† that eliminated the troubles of the poor. Johnson won a decisive victory over his archconservative Republican opponent Barry Goldwater of Arizona. American liberalism was at high tide under President Johnson. The Wilderness Protection Act saved 9. 1 million acres of forestland from industrial development. †¢The Elementary and Secondary Education Act provided major funding for American public schools. †¢The Voting Rights Act banned literacy tests and other discriminatory methods of denying suffrage to African Americans. †¢Medicare was created to offset the costs of health care for the nation’s elderly. †¢The National Endowment for the Arts and Humanities used public money to fund artists and galleries. †¢The Immigration Act ended discriminatory quotas based on ethnic origin. An Omnibus Housing Act provided funds to construct low-income housing. †¢Congress tightened pollution controls with stronger Air and Water Quality Acts. †¢Standards were raised for safety in consumer products. Johnson was an accomplished legislator and used his connections in Congress and forceful personality to pass his agenda. By 1966, Johnson was pleased with the progress he had made. But soon events in Southeast Asia began to overshadow his domestic achievements. Funds he had envisioned to fight his war on poverty were now diverted to the war in Vietnam. He found himself maligned by conservatives for his domestic policies and by liberals for his hawkish stance on Vietnam. By 1968, his hopes of leaving a legacy of domestic reform were in serious jeopardy The turbulent 1960s reached a boiling point in 1968. When the year began, President Johnson hoped to win the war in Vietnam and then cruise to a second term to finish building his Great Society. But events began to spiral out of his control. In February, the Tet Offensive in Vietnam brought a shift in American public opinion toward the war and low approval ratings for the President. Sensing vulnerability, Eugene McCarthy challenged Johnson for his own party’s nomination. When the Democratic primary votes were tallied in New Hampshire, McCarthy scored a remarkable 42 percent of the vote against an incumbent President. Johnson knew that in addition to fighting a bitter campaign against the Republicans he would have to fight to win support of the Democrats as well. His hopes darkened when Robert Kennedy entered the race in mid-March. On March 31, 1968, Johnson surprised the nation by announcing he would not seek a second term. His Vice-President Hubert Humphrey entered the election to carry out Johnson’s programs. The Great Society program became Johnson’s agenda for Congress in January 1965: aid to education, attack on disease, Medicare, urban renewal, beautification, conservation, development of depressed regions, a wide-scale fight against poverty, control and prevention of crime and delinquency, removal of obstacles to the right to vote. Congress, at times augmenting or amending, rapidly enacted Johnson’s recommendations. Millions of elderly people found succor through the 1965 Medicare amendment to the Social Security Act. Under Johnson, the country made spectacular explorations of space in a program he had championed since its start. When three astronauts successfully orbited the moon in December 1968, Johnson congratulated them: â€Å"You’ve taken †¦ all of us, all over the world, into a new era. . . . † Nevertheless, two overriding crises had been gaining momentum since 1965. Despite the beginning of new antipoverty and anti-discrimination programs, unrest and rioting in black ghettos troubled the Nation. President Johnson steadily exerted his influence against segregation and on behalf of law and order, but there was no early solution. The other crisis arose from Viet Nam. Despite Johnson’s efforts to end Communist aggression and achieve a settlement, fighting continued. Controversy over the war had become acute by the end of March 1968, when he limited the bombing of North Viet Nam in order to initiate negotiations. At the same time, he startled the world by withdrawing as a candidate for re-election so that he might devote his full efforts, unimpeded by politics, to the quest for peace. When he left office, peace talks were under way; he did not live to see them successful, but died suddenly of a heart attack at his Texas ranch on January 22, 1973. How to cite Lbj’s Great Society, Papers