Invisibility (sort of)

The concept of invisibility has long been thought to be entirely for movies of monsters and magic, but recent developments in science may bring this into the realm of possibility. The researchers at UC (university of California) Berkeley have created materials which have the ability to bend light in unnatural directions. These materials are called metamaterials, which are man made materials which derive their unusual properties from their structure as opposed to composition. This is to say that the literal form of the materials is what gives them their unusual characteristics.
What these materials do specifically is achieve negative refraction. Negative refraction is the term used to describe what happens when light is bent. No material in nature has negative refraction, and a simple example of what it would do if it were in nature involves fish. When you look at a fish underwater you know instinctively that it is not precisely where it appears to be, that it is skewed by the refractive quality of light when entering or exiting water. If negative refraction were taking place you would see the fish upside down and floating above the water.
So while the researches at UC Berkeley have figured out a way to bend light they have yet to make it widely applicable, such that the materials they have at the moment are simply too small and too fragile to be used in any sort of invisibility cloak. What they have been able to do with these materials, however, is put them to use in making stronger lenses for magnification purposes, cutting out interference in antennas, and reversing the Doppler effect.

For the actual source of this information go to this website

Scotch tape producing x-rays

Within the last month at UCLA researcher Seth Putterman and his students, Carlos Camara, Juan Escobar, and Jonathan Hird have discovered that scotch tape can produce X-rays. Similar to the visible light emitted by biting wintergreen LifeSavers in the dark, when the scotch tape is pulled in a vacuum it emits light. The reason this happens is because of triboluminesces, it is the separation of charges during the rubbing of two materials together or in this case the separation of the tape. When the charges reunite, light and X-rays can be produced, just like in a lightning strike. The X-rays created when the tape is pulled is produced in nanosecond bursts containing about 1 million X-ray photons apiece. This is equivalent of about a tenth of a milliwatt of energy. That was enough energy to produce an X-ray image in a second. Sandwhiching a finger between the vacuum containing the tape and X-ray film allows the image to be recorded.
To watch the scientists do this - http://www.nature.com/nature/videoarchive/x-rays/

WIlliam Harvey's Conclusions of The Circulatory System

ABSTRACT

Your body is a factory.  Every part of you is flowing with life.  This life is a substance that is a major contributor to the circulatory system.  Some call it blood (well, everyone calls it blood). Ideas are multiplying.  People are beginning to voice themselves.  Although discouraged, new scientific ideas are flourishing.  The church has a tight grip on society and its functions.  William Harvey will disprove the previous belief about where this blood comes from and what it does for your body. William Harvey discovered the circulatory system made up of the heart, lungs, and the blood flow to the rest of the body.

For more information visit: http://www.pbs.org/wnet/redgold/innovators/bio_harvey.html