Month

Today the FAA announced a new policy in which Section 333 exemption holders will receive blanket approval for day VFR (visual flight rules) LOS (line-of-sight) operations below 200 feet anywhere in the country (other than major cities and within a few miles of an airport)....

As has been widely reported in the media today, an A320 operated by Germanwings (the low-cost subsidiary of Lufthansa) has crashed in the French alps. The aircraft was carrying 150 people including the crew. As reported by The Telegraph in the UK, this is the first plane crash of...

Harmonic oscillators form the basis of much of our modern technologies from cell phones to GPS to radio and TV. When multiple frequencies are present in a given signal, we typically rely on the frequency domain (e.g., FFTs) for characterization rather than the time domain....

Martin Armstrong has an excellent blog post about the date and time corresponding to one of the most important irrational numbers in all of mathematics, science and engineering. Of course, this only works for those countries in which the month number is placed before the day...

The European Space Agency has announced that the next two Galileo satellites are on schedule to be launched March 27. The first experimental Galileo satellite was launched in late 2005 and the second was launched in April 2008. Both were decommissioned in Summer 2012. The first...