Applied Physics

While wireless Internet has been wonderful, true wireless devices - with no need for batteries - are the real revolution needed in technology to make a more positive environmental scenario for the…

Seismic sections are usually subjected to some processing sequence for noise reduction. If the noise has appreciable energy outside the frequency range of the useful signal, these sequences are…

After 50 years, laser technology is still advancing.  Scientists at Yale University have announced  the world's first anti-laser, in which incoming beams of light interfere with one another…

A short while ago, SciFest 2010, the International Science Festival, was held in St. Louis.   Making the trip was a group from Jersey Shore, PA and they were invited because a teacher, Slater…

In 2010 there was an impressive increase in the number of Chartered Engineer registrations with the Institution of Mechanical Engineers, my own Institution, leading the way. The number of Chartered…

It won't make it readable, but University of Arizona researchers have cracked at least one of the puzzles surrounding the Voynich manuscript, a book filled with drawings and writings nobody can make…

A milestone in the international Avogadro project coordinated by the Physikalisch-Technische Bundesanstalt (PTB) has been reached - with the aid of a single crystal of highly enriched 28Si, the…

I am taking part in discussions with Sascha Vongehr about the MIT video - here on this site - Falling Faster Than Freefall: A Lesson In Didactics And Critical Thinking. I have played with the problem…

The following is a neat little experiment, the result of which may be counter-intuitive to some of those who embrace the “all bodies fall the same way inside earth’s gravity” doctrine. Remember, in…

In 2 weeks I test for my HAM Technician-class amateur radio license. I confess no particular interest in HAM radio. However, my satellite has a transmitter and needs a call sign. It isn't smart…