If diffraction or interference phenomena were to be sought it was therefore necessary, in accordance with the basic principles of wave theory, to select for the test arrangement far smaller decisive dimensions than those employed in corresponding tests with visible light.
In the last 5 years, American employers have lost over $150 billion of productivity to depression alone. That is more than the GDP of 28 different States during the same period.
President Obama made the right choice, over one million Americans are still working today. The American auto industry is not just surviving. It is thriving. Where Mitt Romney was willing to turn his back on Akron, Dayton and Toledo, Ohio, the president said, 'I've got your back.'

