1 Indeed, over 100 million Americans are now dependent on the Federal government for something. 2  Taxes were significantly lower in 1929 than today, even as a percent of family income. 3  Most businesses paid no taxes in 1929, and today we have the highest corporate tax rate in the world.4  Sales and FICA taxes didnât exist. Indeed, over 100 million Americans are now dependent on the Federal government for something. 2  Taxes were significantly lower in 1929 than today, even as a percent of family income. 3  Most businesses paid no taxes in 1929, and today we have the highest corporate tax rate in the world. 4  Sales and FICA taxes didnât exist.
A compound microscope uses a lens close to the object being viewed to collect light (called the objective lens) which focuses a real image of the object inside the microscope (image 1). That image is then magnified by a second lens or group of lenses (called the eyepiece) that gives the viewer an enlarged inverted virtual image of the object (image 2).
They are big enough that you can see them with a light (or optical) microscope. A light microscope uses light and a series of lenses to magnify an object. If you use a light microscope to look at cells, you may see something like this: To get even more magnification, you can use an electron microscope. Electron microscopes use a beam of electrons instead of light to make an image.