Petraeus: We're Quite Far Along In Accomplishing Our Objectives In Iran, "We're Very Well Along In This"

Former CIA Director Ret. Gen. David Petraeus assesses the state of Iran’s military and leadership as Israel and the Gulf states continue to fend off missile attacks on FOX News Channel's "Jesse ...
Smithsonian Magazine

How Things Work: Cabin Pressure

WE HUMANS NEED AIR TO LIVE, so we do best around sea level. Airplanes are at their best up high, where the air is thin and smooth. And therein lies the rub: We invented a machine that thrives where we ...

These Best-Tested Portable Air Conditioners Are a Viable Alternative to Window Units. Here’s Why.

Prepare for easy setup, effective cooling, and the ability to move from room to room.
IEEE

Effect of Air Pressure on Aerodynamic Characteristics of the HTS Maglev Running in a Tube

Abstract: The high-temperature superconducting maglev-evacuated tube transport (HTS Maglev-ETT) is a green, energy-saving, and high-speed future transit mode. The initial tube pressure is a vital ...