The recording and reproduction of audio underwent sweeping changes throughout the late 19th and 20th Centuries, offering many different new storage mediums, playback systems and methodologies that enabled humans to control the sound wave like never before.
Category Archive: Technology
How Do Power Drills Work
Electrically powered drills (commonly referred to as power drills) work by turning electrical energy into mechanical energy in order to rotate a piercing drill bit. This energy transfer is achieved by sourcing electricity from an AC power supply and feeding it into an electric motor, which then converts the energy by electromagnetic induction -voltage production …
How Do Eco Light Bulbs Work And Save Energy
Light is a complicated thing. It can behave like a wave or a particle. Most theories in physics talk about it behaving like a wave, when it travels fast splits into the colours of the rainbow and combines again to make white, and creates beams (think of the sunbeams you see through a window). Light …
How Fire Extinguishers Work
There are two main types of fire extinguisher: those with internal stored pressure, and those where pressure is delivered through a cartridge system. The most common by far of these two is the former, with cartridge-based systems reserved mainly for industrial use. Both variants of extinguisher work in the same way though, removing one of …
What Is Air Multiplier Technology
When first created back in the late 19th Century, electrically powered mechanical fans were all the rage. However, due to their basic design and physical components, accidents involving their fast rotating blades soon became common, with children and adults alike injuring themselves. Luckily, today we have inventor extraordinaire Sir James Dyson
How Fast Is Superfast Broadband
Remember dial-up internet? Most of us do and it’s not so very long ago that speeds of 56K were considered fast when it came to accessing the delights of the world wide web. And while it may have been fine for checking GeoCities pages and bulletinboards, as our demands and uses of the internet became …