In this world of Trump, Brexit and Fake News, you may well be wondering to yourself: How can I trust anything I used to take for granted any more? I thought I generally had a grip on these things, but maybe not! What else am I taking for granted that’s completely wrong? Am I getting out of bed properly? Am I competent to make the journey from home to work?...
I was at one time, a BT customer. They had the best deal for FTTC broadband in my area, so it made sense to go with them. One of the things they offered at the time was a Yahoo account – which for some inexplicable reason you were forced to link to any previous account with the same email address. I created one – with my usual online moniker of naxxfish. What a mistake that turned out to be…. ...
My partner, Beth, asked me if I could make her a Theremin. So I have. It’s called the Betheremin. A Theremin is a musical instrument, which changes pitch and/or volume as you bring your hand close to it’s antenna(e). The way this works is by your hand influencing the capacitance of a resonator circuit, changing the frequency at which it oscillates. This difference in frequency creates a “beat” frequency against a reference oscillator, which can then be used to create an audible frequency or control a Voltage Controlled Amplifier. ...