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These days, it appears that there are few things that Man can do, that a machine could not do as well, or even better. This apparently includes engaging in warfare.

Certainly, defense is an area where no expense is spared in developing the latest technology and improving performance, but sometimes constructing advanced weaponry can take a very long time. For example, the F-22 Raptor fighter jet was the most technologically advanced fighter ever created, designed back in 1983 to give the US military a tactical edge in the Cold War, but it took 22 years – and $39 billion – before it was delivered, 14 years after the fall of the Soviet Union.
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Because we cannot see it, the power of sound is often overlooked; it is an intangible entity, difficult to imagine it as a force in its own right.
Yet, for those of us lucky enough to be able to hear, sound is all around us constantly, having an insidious, often imperceptible, effect on our behavior, moods and reactions. Sound can soothe and calm, enrage and incite, with these emotions being triggered by actual physical responses in the brain caused by various types of noise exposure.
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The romantic notion of "stardust" has inspired authors, poets and song-writers for decades, leading to a dictionary definition that describes it as "a magical or charismatic quality or feeling."

Despite its enchanting reputation, this seemingly mystical substance is not merely confined to the imagination but is a genuine scientific term for the tiny cosmic dust grains floating through our solar system.
When Moby claimed in his 2002 song that "We Are All Made Of Stars," however, he may not have been too far from the truth, as scientific evaluations of this space dust over the past few years have yielded the surprising evidence that every atom in our bodies was once part of a star, maybe even several stars.
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For centuries, ball lightning has captured the imagination of witnesses and defied scientific explanation, but now Chinese scientists have managed, by sheer chance, to capture an example of the mysterious lights on camera.

The image was actually obtained in 2012, in the Qinghai region of China, by researchers observing lightning during a thunderstorm using just a simple video camera in conjunction with a spectrometer, a device that used to measure the components of different types of light in order to identify the substances that may have produced it. The camera recorded a sizeable spark of ball lightning measuring 16 feet wide, which glowed continuously for about 1.6 seconds and floated for a distance of some 50 feet.
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