Pinterest • The world’s catalog of ideas

The FAA is testing an FBI system to detect "rogue" drones at the nation's airports, after a series of close calls involving passenger jets that have taken evasive action to avoid the unmanned aircraft that are continuing to grow in popularity.

What are the phase changes? Phase changes going toward decreasing enthalpy of system are exothermic and have -ΔH and -ΔS. Sublimation>vaporization>fusion for changes in enthalpy and entropy.


Portal Hypertension: Increased pressure in the portal vein caused by an obstruction of the flow of blood through the liver. Portal hypertension is found in diseases such as cirrhosis, in which it is responsible for ascites, splenomegaly, and the formation of varices.

from Affiliate Product Review

Based on member’s ballots, companies for auction on the system are of high value and real.