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1930 – Rudolph Kalman – bio

Rudolph Kalman was born in Budapest, Hungary, in 1930 and was known for his work in mathematics and electrical engineering. The “Kalman filter” is an algorithm known as a linear quadratic estimation, and is used in time series analysis and applied to signal processing, trajectory optimization, and econometrics. This means it is used widely in […]

Bionic Hearing Technology

Augmented auditory reality means super hearing aids that can both amplify and filter sound according to need and desire. Bluetooth earbuds controlled by a smartphone app that can equalize, filter and tune sounds allow the user to hear what they want to hear and how they want to hear it. Review: What Its Like to […]

Nanofilters for Water

Water nanofilters made from ceramic foam honeycombs have shown promise, but new research by a team at Stanford University uses cotton that has been dipped in carbon nanotubes, coated with silver and then electrified. New high-speed, low-cost water purifying nanofilter developed – [gizmag.com] As their name suggests, most existing water purifying filters clean the water […]

Zeolites

Zeolites are microporous structures made of aluminosilicate minerals that tend to absorb water like a sponge. Because of their ability to attach positive ions and sort substances by molecular size, they are often referred to as molecular sieves. Database details 2.7 million possible structures for molecular sieves – [nanowerk.com] Zeolites can be viewed as “a […]