Terms: waves
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- Waves (Zobel)
Explains basic concepts associated with mechanical waves. Includes diagrams and some animation. 4-00
- Light Waves Used for Database Searches (Macmillan Publishers - Nature - Ball)
Describes a process for using light waves to conduct searches for data on a computer, expected to yield a billion-fold increase in speed over current electronics-based searches. 5-01
- 06-23-03 Scientists Begin Quest to Detect Gravity Waves (SpaceDaily.com)
"Armed with one of the most advanced scientific instruments of all time, physicists are now watching the universe intently for the first evidence of gravitational waves." 6-03
- -07-23-05 Homeless Killed by Heat Waves (CNN News)
" 'What if the first person who walked by had done something or stopped to say, "Hey, dude, you all right?" Maybe he'd still be around,' he says." 7-05
- Gravitational Wave Detection (CalTech)
Provides links to projects studying gravitational waves, such as the Laser Interferometer Gravitational Wave Observatory (LIGO) project.
- Prism Project (School.Discovery.com)
"Using a prism, thermometers, and blueprint paper, students recreate the 18th-century experiments conducted by William Herschel and Johann Ritter that proved the existence of invisible waves of sunlight. They'll see with their own eyes that there are invisible parts of the spectrum that contain radiant energy." 1-04
- 09-05-04 World's First Offshore Electric Project Starts (MSNBC News)
"The world’s first offshore project to generate power from waves, built in the Orkney Islands off northern Scotland, has started production and supplied electricity to the grid, the project’s developers have announced."
"The prototype Pelamis machine, which uses wave motion to turn an electricity producing generator, can supply enough power to run 500 homes. A long cylinder, the machine sits on the water semi-submerged."
"The initial operating costs are half those of wind power when it launched 20 years ago and are a quarter of those of solar photovoltaic technology, Carcas said."
"The British government is keen to encourage wave power and recently announced $90 million in support for the wave and tidal power sector." 9-04
- Severity of Earthquakes - Scales (InfoPlease.com)
"The severity of an earthquake can be expressed in terms of both intensity and magnitude. The two terms are quite different, however, and they are often confused. Intensity is based on the observed effects of ground shaking on people, buildings, and natural features. It varies from place to place within the disturbed region depending on the location of the observer with respect to the earthquake epicenter. Magnitude is related to the amount of seismic energy released at the hypocenter of the earthquake. It is based on the amplitude of the earthquake waves recorded on instruments, which have a common calibration. Magnitude is thus represented by a single, instrumentally determined value."
"The Richter magnitude scale was developed in 1935 by Charles F. Richter of the California Institute of Technology as a mathematical device to compare the size of earthquakes." 10-04
- Physics Study Guide (Wikibooks)
Provides chapters on Linear Motion, Force, Momentum, Friction, Work, Energy, Torque and Circular Motion, Fluids, Fields, Gravity, Waves, Wave overtones, Standing waves, Sound, Thermodynamics, Electricity, and Optics. 12-04
- Physics of a Tsunami (WCATWC.gov)
"The phenomenon we call a tsunami (soo-NAH-mee) is a series of waves of extremely long wave length and long period generated in a body of water by an impulsive disturbance that displaces the water. Tsunamis are primarily associated with earthquakes in oceanic and coastal regions. Landslides, volcanic eruptions, nuclear explosions, and even impacts of objects from outer space (such as meteorites, asteroids, and comets) can also generate tsunamis." 12-04
- Sea Gypsies Rebuild (CBS News)
"Thailand's Moken tribe — a small community of fishermen whose elders ordered a hilltop evacuation just before the tsunami hit — is rebuilding on a nearby beach. The Moken believe their old home is cursed because they mistakenly left behind a handicapped boy."
"The boy was the only tribe member to die in the waves, which killed more than 157,000 across southern Asia and 5,300 in Thailand." 1-05
- Hurricane Arlene in 2005 (USA Today)
"Tropical Storm Arlene weakened as it blew ashore Saturday on the Gulf Coast, but still packed enough punch that it brought sheets of rain, 20-foot waves and heavy wind to the same area that was devastated by Hurricane Ivan nine months ago." 6-05
- Hamilton, Bethany - Overcoming Tragedy (MyHero.com)
"She was bit by a tiger shark while surfing, and was able to compose herself, and swim to safety. She also overcame the loss of her left arm and rose to the challenge of going surfing out in the ocean again. This all happened within a month!"
"Bethany was planning on being a professional surfer before her accident in the waves. She was ranked 8th in the world for amatuer surfers beforehand."
"She is now a role model to many people for what she has done. She turned a negative into a positive, which many people can't do! She did this by taking the tragedy that occurred and remained positive and continued to go forward with her dream. This inspired millions of people all across the world to try to find something good in something that only seems bad." 7-05
- Wave Power on the Pacific Coast (MSNBC News)
"The potential for harnessing the power of waves has drawn serious study by Oregon State University, federal and state agencies, and communities along the Oregon Coast."
" 'There's a real good chance that Oregon could turn into kind of the focal point in the United States for wave energy development and I think that would be a boon to the economy,' said Gary Cockrum, spokesman for the Central Lincoln People's Utility District."
" 'There is tremendous potential in the oceans to supply energy for the world,' Annette von Jouanne, an Oregon State electrical engineering professor, told the crowd. 'A 10-square-mile wave power plant could supply the entire state of Oregon.' 9-05
- GAO: Tax Expenditures Creating a Financial Disaster (MSNBC News)
"Tax breaks cause nearly $730 billion in revenue losses every year, the GAO said in a report released Friday."
"To put that number in perspective, $730 billion is just slightly less than what the federal government spent in 2004 on all military outlays and on the Medicare health insurance program for the elderly combined."
"In Washington lingo, these tax breaks are called 'tax expenditures.' They 'grant special tax relief for certain kinds of behavior by taxpayers or for taxpayers in special circumstances,' according to the new GAO report released Friday."
"Walker does not have the hurricanes primarily in mind. He’s thinking of the fiscal crisis that will hit the nation during the next 30 years unless Congress changes course."
“ 'We are on an imprudent and unsustainable fiscal path,' he told reporters Friday. 'We were already deeply in the hole before Katrina hit…. We face a large and unprecedented demographic tidal wave, the retirement of the Baby Boom generation. Unlike most tidal waves, the waters of this tidal wave will never recede. It is a permanent change in the demographic landscape of this country, with profound economic, fiscal, budgetary and workforce implications. Unlike natural tidal waves, evacuation is not an option.' ” 9-05
- Electromagnetic Radiation (LBL.gove)
"Do you listen to the radio, watch TV, or use a microwave oven? All these devices make use of electromagnetic waves. Radio waves, microwaves, visible light, and x rays are all examples of electromagnetic waves that differ from each other in wavelength." 10-05
- Ocean (EERE.Energy.gov)
"Ocean energy draws on the energy of ocean waves, tides, or on the thermal energy (heat) stored in the ocean." 01-06
- -06-11-06 New Observatory "Seeing" Gravity (LATimes.com)
"What makes LIGO different from other observatories is that it doesn't "see" the cosmos by detecting electromagnetic energy in the form of light, radio waves or X-rays. It feels it, measuring waves of gravity that wrinkle space-time like ripples on a lake." 06-06
- -09-16-06 DOE Proposes Cutting Funds for Hydropower and Geothermal Power (Christian Science Monitor)
"Power from tidal flows, waves, and irrigation canals are expanding the definition of hydropower - none of which are likely to get DOE research funding if the hydropower budget gets whacked, some observers say." 09-06
- -12-25-07 New Proton Machines for Combating Cancer (New York Times)
"The machines accelerate protons to nearly the speed of light and shoot them into tumors. Scientists say proton beams are more precise than the X-rays now typically used for radiation therapy, meaning fewer side effects from stray radiation and, possibly, a higher cure rate."
"X-rays, which are high-energy electromagnetic waves, pass through the body, depositing their energy all along the way, not just in the tumor. By contrast, protons — subatomic particles with a positive electrical charge — can be made to stop on the tumor and dump most of their payload there." 12-07
- -04-18-08 Wave Power (Time.com)
"We get power from the wind, the sun, the atom and the stuff that's buried beneath the Earth. All that we haven't tapped is the ocean — and Finavera's conquering that final domain. The Canadian company with Irish roots (hence the name) pioneers projects that harness the power of ocean waves to generate electricity. Electrical generators, placed on the surface of the ocean, create power as they rise and fall with the motion of the ocean — which contains some of the highest energy density of any potential renewable source." 04-08
- -06-20-08 Editorial Against the Supreme Court Granting Habeas (U.S. News)
"The Supreme Court's 5-4 decision in Boumediene v. Bush last week justifiably sent shock waves through the legal community. The majority opinion, authored by the ever wandering Justice Anthony Kennedy, disregarded both centuries of precedent and the military deference doctrine and also intruded on what is clearly the province of the political branches."
"Rather than argue back and forth on the case, however, policymakers must quickly review the implications of the decision and find mutual ground on how best to proceed. The political branches must seek a third way—neither the existing federal courts nor the military commissions but a specialized hybrid court with civilian oversight (often called a national security court)—as the best means to balance the interests of both national security and human rights." 06-08
- -06-20-08 Editorial for the Supreme Court Granting Habeas (U.S. News)
"The Supreme Court's 5-4 decision in Boumediene v. Bush last week justifiably sent shock waves through the legal community. The majority opinion, authored by the ever wandering Justice Anthony Kennedy, disregarded both centuries of precedent and the military deference doctrine and also intruded on what is clearly the province of the political branches."
"Rather than argue back and forth on the case, however, policymakers must quickly review the implications of the decision and find mutual ground on how best to proceed. The political branches must seek a third way—neither the existing federal courts nor the military commissions but a specialized hybrid court with civilian oversight (often called a national security court)—as the best means to balance the interests of both national security and human rights." 06-08
- -Financial Crisis Hurts State Pensions and Budgets (ABC News)
"The financial crisis on Wall Street is causing waves in statehouses across the country, where various governors are grappling with budget deficits, dwindling finances and plummeting pension funds."
"As the credit market shut down at midday Monday, Massachusetts was unable to borrow the final portion of a $400 million loan from Wall Street investors to make quarterly aid payments to cities and towns and had to dip into its own funds to make up the $170 million shortfall." 09-08
- -02-17-09 Editorial: Having Czars Take the Lead (Time.com)
"The Administration has no solution — no popular one anyway. So the President names a czar. After a day or two of stern talk about crashing through bureaucratic walls and knocking pointy heads together, the czar gradually settles into lonely isolation in the Executive Office building, venturing out to give speeches at interest-group luncheons and perhaps shake hands with the President at a White House Christmas party."
"It's one thing to be a czar in America; it's quite another to be the boss."
"Czar or no czar, Obama has a genuine crisis boiling up in Detroit. Without major changes in the structure of the industry, the auto business is going to sink under mountainous waves of red ink." 02-09
- Oceanic Currents (MOS.org)
"The world's oceans travel in well-defined circular patterns called currents which flow like rivers. When the atmosphere pushes over the surface of the ocean some of the energy goes to forming waves while the rest goes to pushing the water in the direction of the wind. North of the equator currents bend to the right, south of the equator they bend to the left. This is called the Coriolis effect. Winds, continents and the Coriolis effect make currents flow around the oceans in huge loops called gyres."
- Deepest Ocean Dive (UDEL.edu)
"On January 23, 1960 — the day of Trieste's historic dive to the bottom of the Mariana Trench — the waves were 5 to 6 feet high in the ocean when Jacques Piccard (Auguste's son), and Navy Lt. Donald Walsh boarded Trieste from a rubber raft."
"The nearly 7-mile descent to the deepest known point on Earth took 4 hours and 48 minutes."
"At a depth of nearly 7 miles, the pressure is crushing, exceeding 16,883 pounds per square inch (more than a thousand times greater than the pressure at sea level)." 08-09
- Diabetes Net
"The Diabetes Network provides extensive diabetes information, the latest research findings and great discounts on diabetes products. Visit the Diabetes Mall for great discounts on books, gram scales and many of your favorite blood glucose test strips, including WaveSense Presto, Freestyle, Ascensia Countour and many more." 10-09
- -06-21-07 Beach Safety - Sand Holes (CNN News)
"Waves and sharks aren't the only dangers at the beach. More than two dozen young people have been killed over the last decade when sand holes collapsed on them, report father-and-son doctors who have made warning of the risk their personal campaign." 06-07
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[Dr. Jerry Adams at jadams@awesomelibrary.org.]
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