At high temperatures or densities matter formed by strongly interacting elementary particles (hadronic matter) is expected to undergo a transition to a new form of matter--the quark gluon plasma--in which elementary particles (quarks and gluons) are no longer confined inside hadrons but are free to propagate in a thermal medium much larger in extent than the typical size of a hadron. The transition to this new form of matter as well as properties of the plasma phase are studied in large scale numerical calculations based on the theory of strong interactions--Quantum Chromo Dynamics (QCD). Experimentally properties of hot and dense elementary particle matter are studied in relativistic heavy ion collisions such as those currently performed at the relativistic heavy ion collider (RHIC) at BNL. We review here recent results from studies of thermodynamic properties of strongly interacting elementary particle matter performed on Teraflops-Computer. We present results on the QCD equation of state and discuss the status of studies of the phase diagram at non-vanishing baryon number density.

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A speaker addresses a crowd of protesters while a cameraman films her. Signs and a Mexican flag are being held up by the crowd.

Thousands of Hispanics united in protest on Saturday in front of the City Hall of Dallas against the anti-immigration measures which would endanger undocumented immigrants.

Protesters gather outside Dallas City Hall carrying signs and the flags of the U. S. and Mexico. They gathered to show rejection of anti-immigration proposals being debated in the U. S. Congress.

Gustavo Bujando Reyes (center, with shirt and tie) of the Citizens Network group and one of the instigators of the protest march carried out on Saturday in Dallas, greets the thousands of Hispanics who gathered for this mobilization. (Jose L. Castillo)

A female protester is interviewed in front of protesters and their children. They gathered at City Hall in Dallas, Texas to show rejection of the anti-immigration bills being debated in the U. S. Senate.

A woman, wrapped in the American flag, is filmed addressing a crowd gathered to protest anti-immigration proposals being debated in the U. S. Senate.

Protesters carry signs that read, "Immigrants are humans and have right too stop HR 4437" and " What would Martin Luther King Say?" during a march to stop anti-immigration legislation.

A group of protesters carry signs and the flags of the United States and Mexico during an march to show rejection of anti-immigration legislation.

A sing is held up during a protest against anti-immigration legislation before the U. S. Congress.

Men, women, and children gather to show rejection of anti-immigration legislation before the U. S. Senate. Two signs read, "Immigrants Help Build America," and "NO HR4437."

Family groups hold up signs at protest in front of Dallas City Hall. The protesters gathered to show rejection of anti-immigration legislation in the U. S. Senate.

The flag of Honduras is carried during a march to protest anti-immigration legislation before the U. S. Congress.

Protesters carry signs and the flag of Honduras during a march to show rejection of anti-immigration legislation.

Protesters, wearing white shirts, carry signs and the flags of the United States and Mexico during a march to protest anti-immigration legislation before the U. S. Congress.

A sign that reads, "Legalization Not! Criminalization" is held up during a march in Dallas, Texas. The rally was to protest anti-immigration legislation being debated in the U. S. Congress.

Marchers carry signs and a United States flag during a rally to protest anti-immigration legislation before the U. S. Congress.

A sign that reads, "Stop 4437, Sensenbrener No" is held up by a protester at a rally to reject anti-immigration legislation before the U. S. Congress.

Protesters carry signs and a Guatemalan flag during a march against anti-immigration legislation in the U. S. Congress.

Two children ride of their parent's shoulders during a march to protest anti-immigrations legislation.