Invisibility cloaking – hiding a whole new world

The idea of invisibility cloaking – being able to hide things from view – has been a point of interest to humans for thousands of years. Plato wrote in The Republic about The Ring of Gyges which allowed the wearer to become invisible. Within nature there are many different species of creatures that have evolved […]

The Arrow of Time (Part 1)

The Thermodynamic “Arrow of Time” in Physics (And to a Lesser Extent, in Snooker) PART 1 | PART 2 | PART 3 He reached toward the ash tray on the desk, selected the shortest – and hence best – cigarette butt, dabbed it against the ceramic surface until it began to burn, then lifted it […]

Antarctic reveals lightning space whistles

Take yourself into the middle of nowhere and hold a radio receiver to the sky.  Above the snapcracklepop of static, you might just be lucky enough to catch a whistler. Sounding like weaponry from an early sci-fi film, whistlers are the remnants of lightning strikes that have travelled tens of thousands of miles through space […]

Top 5 Unseen Weapons

5. The ultrasound gun The sonic devastator Imagine the sound of fingernails scraping down a blackboard, then amplify it to 130 decibels (which is equivalent to a jet plane taking off) and you begin to understand how the Sonic Devastator got its name. Designed for riot control, the hand-held gun’s design restricts its beam to […]