Aviation safety – the theory, investigation, and categorization of flight failures, and the prevention of such failures through regulation, education,…
backhoe
The name “backhoe” refers to the action of the shovel. A backhoe digs by drawing earth backwards, rather than lifting…
axes and knives
The earliest tools were made of stone. Some predate early man as Neanderthal and other early ancestors used rocks and…
aviation apps
Pilots go mobile Mobile apps for aviation – a great example of mobile technologies being used extensively and dramatically changing…
automotive history
Early designers, builders and manufactures Most of the earliest automobiles were designed and built one at a time Packard Engines…
automotive
Automotive Engineering The automobile, late 19th century – Transformed daily life, our culture, and our landscape Between 1920 and 1970,…
auto manufacturing
If founder Elon Musk is right, Tesla Motors just might reinvent the American auto industry—with specialized robots building slick electric…
atmospheric pressure
Pictured: taken by astronauts aboard the International Space Station (ISS) of the Earth’s atmosphere as seen from orbit. The Earth’s…
audio
Music – an art form whose medium is sound and silence. Its common elements are pitch (which governs melody and…
atomic clock
Atomic clocks are the most accurate time and frequency standards known, and are used as primary standards for international time…
automated teller machine
Automated teller machine – a computerized telecommunications device that enables the clients of a financial institution to perform financial…
assistive technologies
Adaptive technologies – technology used by individuals with disabilities to perform functions that might otherwise be difficult or impossible. Assistive…
astrophysics
The Pleiades is an open cluster consisting of approximately 3,000 stars at a distance of 400 light-years (120 parsecs) from…
Arduino
Arduino – a tool for making computers that can sense and control more of the physical world than your desktop…
artificial intellegence
Artificial intelligence (AI) refers to a branch of computer science that is focused on making computers behave in human-like instances.…
