In this module we describe the random demodulator and how it can be used in the application of the theory of compressive sensing to the problem of acquiring a high-bandwidth continuous-time signal.
LC Calc (TM) Online. A handy calculator for HPLC computations.
This site contains several on-line calculators for use in liquid chromatography. These include pressure unit conversion, buffer pH, and scale-up factors. Some links may be broken.
This video shows step by step how to assembly the percussion kit and how to hold the mallets/sticks and play some first sounds. (07:30)
Pesach: The Story and the Holiday (Passover)
A description of the story of Pesach and a brief overview of how the holiday is celebrated. Pesach (Passover) Pesach is an eight-day holiday that celebrates the Exodus of the Hebrews from Egypt and our freedom from oppression in modern days. This is a slow moving video of ten minute duration that clearly explains the background of the celebration and the individuals involved. The images are difficult to understand at times. A good video for all ages and easy to follow.
D-Day Invasion of Europe (2:01)
On June 6, 1944, Allied troops storm the beaches of Normandy in the largest amphibious assault in history. This is a good video that explains what happens on this day and has excellent graphics and clear explanations. A map of the area would be of benefit.
Astronomy: The Discovery that the Universe is Speeding Up
A 3:47 video that shows how astronomers discovered that the universe is speeding up and why this may be important. A good video to show students the importance of astronomy as a subject and some of the mysteries that are yet to be solved such as dark energy.
C21: Physics Teaching for the 21st Century
Physics Teaching for the 21st Century is a resource for teachers who are interested in teaching physics concepts in real world contexts. The great problems of the 20th century were solved by a few incredibly smart people. The great problems of the 21st century will have to be solved by billions of moderately smart people. This is where teachers come in... In this website you will find: * articles that clearly explain the physics concepts in a real world context * take-home experiments that ca
A retrospective look at space shuttle Atlantis.
A retrospective look at space shuttle Endeavour.
Portugal buys time with bond sale
Debt-laden Portugal raised 1.65 billion euros in a surprisingly strong bond sale but analysts predict its high cost of borrowing will still force it into an international bailout within months.
Price hikes put rates in focus
The euro zone's manufacturing sector remained buoyant last month, allowing factories to ramp up their prices at the fastest rate since at least late 2002, according to a key business survey.
The Debt Ceiling
Presentation explaining the U.S. government debt ceiling
U.S. employment jumps in March
Private payrolls jump in March as the unemployment rate hits a two-year low of 8.8 percent.
Protests erupt across Syria
Protesters took to the streets in several Syrian cities on Friday - in a direct challenge to the rule of President Bashar al-Assad. Jon Decker reports.
Nasdaq, ICE go after NYSE
Summary of business headlines: Nasdaq OMX, ICE offer $11.3 billion for NYSE Euronext; U.S. job growth near one-year high; Gas prices slow U.S. auto sales; Wall Street continues rally.
From unemployed to entrepreneur
Exasperation leads to inspiration for one man who was laid off twice before starting his own internet company.