Chuck a stone off the side of a mountain and it will plummet as well. Sure, steel ships can float and even very heavy airplanes can fly, but to achieve flight, you have to exploit the four basic aerodynamic forces: lift, weight, thrust and drag. You can think of them as four arms ...
A pilot uses these surfaces to control the direction of the plane. Both types of stabilizer are symmetrical airfoils, and both have large flaps to alter airflow. On the horizontal tail wing, these flaps are called elevators as they enable the plane to go up and down through the air. The...
Podman is well known for its seamless integration into modern Linux systems, and supporting systemd is a cornerstone in these efforts. Linux commonly uses the systemd init system to manage local services such as web servers, container engines, network daemons, and all of their interdependencies. ...
Boeing corrected many of the B-47’s problems by improving the wing and engines in its next heavy bomber design, which could have fit the intelligent design theory had it led to a commercial jet or transport. But its conceptual design phase encompassed a weekend marked by an atmosphere of c...
WP Smushis a WordPress plugin that allows you to optimize images without losing quality. It offers many features that help make your web pages load faster, such as image compression andlazy loading of images. This beginner-friendly plugin will automatically optimize your images on the fly as you...
Being towed across the tarmac at an airport with whining and roaring jet engines all around is a particular challenge. Hawk says: ‘We get them used to the crate, and the noises of forklifts, buzzers and beepers. We try to desensitise them as much as we can to make the journey as ...
For many travelers, the most important aspects when booking a flight are cost and schedule. However, sometimes you may need to find specific fare class availability or want to book a particular flight or aircraft type. For those advanced searches, most online flight booking engines fall short. ...
1 Since this expense accounts for approximately 25% of operating costs, airlines have strong incentives to manage their fuel usage. However, carriers do not internalize a crucial externality generated by combustion of jet fuel: the contribution of the resulting greenhouse gas emissions (mainly CO2) ...
To deal with these, and other, issues, the following 'tricks of the trade' may be useful: • Always ask 'how, who, how many, why?': peoples' mental models are almost always vague. Our job becomes helping to translate those vague mental models into specific assumptions and assertions ...
this MIT sort of lab that’s been monitoring people in their vehicles for many years, and it really changed my behavior because it turns out, now I have to admit occasionally I’ve looked at my iPhone when I’m in the car and I’m trying to, you know g...