Digital Edition Back Issue

Latest connected car feature: Germicidal lights A year ago, had you brought up the idea of adding germicidal lights to a connected car, you probably would have gotten back facial expressions suggesting you’ d lost your mind. Today, the same idea would be more likely to engender a lot of head nodding. Who knew a…

Will your good samaritanism in the pandemic buy you a lawsuit? IF YOU ARE ONE OF THE INDIVIDUALS voluntarily spending your time on technology to help abate the COVID 19 pandemic, consider the experience of the vacuum cleaner company Dyson in the UK. Company founder James Dyson estimates his firm spent about $25 million and…

Will your good samaritanism in the pandemic buy you a lawsuit? IF YOU ARE ONE OF THE INDIVIDUALS voluntarily spending your time on technology to help abate the COVID 19 pandemic, consider the experience of the vacuum cleaner company Dyson in the UK. Company founder James Dyson estimates his firm spent about $25 million and…

No, IoT RF radiation won’t cause a pandemic I once had a lengthy exchange with a guy who claimed RF from WiFi was making him sick. After numerous emails back and forth in which I tried to correct his misconceptions about WiFi signals, I gently suggested that he go find an RF screen room and…

No, IoT RF radiation won’t cause a pandemic I once had a lengthy exchange with a guy who claimed RF from WiFi was making him sick. After numerous emails back and forth in which I tried to correct his misconceptions about WiFi signals, I gently suggested that he go find an RF screen room and…

Why we don’t need energy efficiency standards for lighting HEADLINES WERE MADE RECENTLY when two national associations dropped a lawsuit attempting to squash light bulb efficiency standards in California. The California standards supposedly save Californians billions of dollars on their energy bills and avoid millions of tons of carbon- warming pollution. The suit was brought…

Why we don’t need energy efficiency standards for lighting HEADLINES WERE MADE RECENTLY when two national associations dropped a lawsuit attempting to squash light bulb efficiency standards in California. The California standards supposedly save Californians billions of dollars on their energy bills and avoid millions of tons of carbon- warming pollution. The suit was brought…

How to electrocute yourself in a few easy steps Here’s a fun project: Pop open an old microwave oven and scavenge the high-voltage transformer powering the cavity magnetron vacuum tube. Then use it to make yourself a Lichtenberg generator. But be sure there’s someone nearby to call an ambulance. Lichtenberg generators are used to create…

How to electrocute yourself in a few easy steps Here’s a fun project: Pop open an old microwave oven and scavenge the high-voltage transformer powering the cavity magnetron vacuum tube. Then use it to make yourself a Lichtenberg generator. But be sure there’s someone nearby to call an ambulance. Lichtenberg generators are used to create…