Supersonic FlightOn Tuesday, October 14, 1947, a B-29 bomber took off in the Mojave Desert in California. Instead of a bomb, it carried another plane. Chuck Yeager & the X-1 The Bell X-1 “research vehicle” was a rocket fired aircraft. As the bomber climbed, test pilot Capt. Charles E. “Chuck” Yeager, climbed into the rocket aircraft. … Continue reading "Supersonic Flight"
Antibiotics“I did not invent penicillin. Nature did that. I only discovered it by accident.” Sir Dr. Alexander Fleming Few medical discoveries impacted life expectancy and quality of life more than antibiotics. Before their discovery, simple wounds were often fatal. For example, during the US Civil War, most soldiers eventually died from infection, not from their … Continue reading "Antibiotics"
SonographySonography is the process of using sound waves as an imaging device, typically for medical purposes. Background Indeed, the principles of sonography come from the natural world. For example, bats and whales are mammals that use sound waves for navigation. In 1794, after performing medical studies on bats, Lazzaro Spallanzani gained a basic understanding of … Continue reading "Sonography"
Ethernet NetworkingEthernet is a computer networking protocol. Before Ethernet, computers were connected using a hodgepodge of various systems, a digital Tower of Babel. Background Bob Metcalfe invented Ethernet at Xerox PARC. However, Xerox failed to commercialize the technology. Metcalfe left and worked on his own Digital (see minicomputers) and Intel to set Ethernet as a networking … Continue reading "Ethernet Networking"
Core MemoryCore memory enhanced the productivity of early computer operators. Not only does core memory store information but also does not need power to maintain memory. Wang & Woo created computer memory that would sit on tiny magnetic rings, strung together into cores. These were smaller than vacuum tubes and used less power. Furthermore, they did … Continue reading "Core Memory"
Hot Air BalloonThanks to a stunt by the Montgolfier brothers, people finally flew. Well, actually a few animals left the ground but people weren’t far behind. The balloon wasn’t especially practical, since it couldn’t be guided, but led the way for future innovations plus allowed a new perspective on the world. Despite that it was more of … Continue reading "Hot Air Balloon"
Blue Ocean Strategy Explained: What It Is & What It Isn’tBy the book, blue ocean strategy is the simultaneous pursuit of differentiation and low cost? But what does that really mean? What Isn’t Blue Ocean Strategy First, let’s look at some conceptions of what blue ocean strategy is not. Redefine Market Boundaries Above all else, blue ocean strategy is not about accepting the status quo … Continue reading "Blue Ocean Strategy Explained: What It Is & What It Isn’t"
Electric Arc FurnaceElectric arc furnaces are giant pots that melt steel. They enable the recycling of scrap steel. Recycled steel both costs far less than creating steel from raw materials and has a lower environmental impact. The process involves three-phase electrodes which create an arc that reaches about 3000°C (5400°F). Frenchman Paul Héroult (co-inventor of aluminum smelting) … Continue reading "Electric Arc Furnace"
Carbon Fiber1958 Roger Bacon Paper airplanes glued together are fun but not something anybody would actually fly on. But that is essentially what modern jet aircraft are. Carbon fiber is essentially threads glued together into a fabric and turned into the bodies of aircraft, the wings, cars, bicycles, and countless other objects. Carbon Fiber is stronger … Continue reading "Carbon Fiber"
Flash MemoryFlash memory stores and retrieves information more reliably and faster than hard drives. It works similar to RAM but is slower and far less expensive. It is fast, cheap, reliable, and virtually shock-proof. Fuio Masuoka was a Toshiba employee. He developed a better type of solid-state memory and filed a patent in 1981. His new … Continue reading "Flash Memory"
Stocking Frame (Mechanical Knitter)The first automated knitting machine; one of the key pieces of equipment that kicked off the Industrial Revolution. The Stocking Frame copies the hand movements of a tradesperson, knitting far faster than a person could. The machine worked with both wool, which tended to produce coarse but inexpensive fabric, and also silk. When cotton became … Continue reading "Stocking Frame (Mechanical Knitter)"
Wind-Driven SawmillCornelis Corneliszoon van Uitgeest invented a sawmill driven by a windmill. It cut wood about 30 times faster than sawing by hand. Corneliszoon received a patent for his wind-driven sawmill. Workers found the mill during a 2004 excavation. The windmill used a crankshaft to convert the steady wind into the up-and-down motion necessary to saw … Continue reading "Wind-Driven Sawmill"
Postal System1497 Franz von TaxisHenry BishopRowland HillWilliam Dockwra Franz von Taxis created the postal system, with regular routes between far-flung cities throughout Europe. Eventually, von Taxis mail routes included mail delivery between Brussels and: Innsbruck, 5.5 days (6.5 days winter) Paris, 44 hours (54 hours winter) Blois, 2.5 days (3 days winter) Lyon, 4 days (5 … Continue reading "Postal System"
Long Lasting Light BulbEdison’s bulb is well-known but what’s less understood is the enormous infrastructure required to power it. Edison created a power plant in New York City, power cables, transformers, power meters, insulators. When the lights finally came on, at the New York Times building, it represented the end of a herculean undertaking and the beginning of … Continue reading "Long Lasting Light Bulb"
DefibrillatorClear! Defibrillators are the electric paddles that restart hearts. In 1957, Dr. Pantridge and Dr. John Geddes invented cardiopulmonary resuscitation (CPR). Eventually, he went on to innovate a portable defibrillator that weighed 70kg and ran from car batteries, installing it in a Belfast ambulance. No sooner did the devices prove effective then, by 1968, they … Continue reading "Defibrillator"