An efficient alternative to fluorescent tubes

Fluorescent tubes are everywhere : in offices and homes and of course, in supermarkets and factories. This ubiquitous lights are used in a staggering amount of 12 billion sockets to Philips. The company has developed an alternative based on LED technology : the InstantFit LED lamp. Up to 40 percent more efficient than traditional T8… Continue reading An efficient alternative to fluorescent tubes

Buenos Aires switches to LED lights, saves money

The capital city of Argentina, Buenos Aires, have switched its 125,000 streetlights to LED. This will cut energy consumption by half and will last five times longer. With 13 million inhabitants, it is the second largest city in South America. To TreeHugger : ” That’s just one city. It’s estimated that if cities around the… Continue reading Buenos Aires switches to LED lights, saves money

Animation : Borrowed light, by Olivia Huynh

The previous nights were the occasion to see the Perseid meteor shower. It was also the Nuits des Etoiles in France, where hundreds of events are organized to allow people to watch stars and (re)discover the sky and stars above our heads. As you perhaps know, I am quite an astronomy fan and I believe… Continue reading Animation : Borrowed light, by Olivia Huynh

Random vacation thoughts

My time out for the past two weeks in southern France was the occasion for me to think a bit about energy and environmental issues as I was experiencing stuff I have been writing about on this blog. Exemplifying with day-to-day and real-life examples is a fantastic opportunity to see how stuff just works.  From… Continue reading Random vacation thoughts

LED lights save a lot of money, could save even much more

According to a study carried out in the United States by the local Department of Energy (DOE), the 49 million LED light bulbs already installed helped save a massive $675 million (over 500 million euros) in a single year. But wait, there is more as if all light bulbs in the United States were replaced… Continue reading LED lights save a lot of money, could save even much more

Starry, Starry, Starry Night

You may perhaps remember the not so distant time when I was posting astrophotography pictures on this very website. I have also wrote a few times on how we are lighting up our cities too much. Now a fellow Frenchman, Thierry Cohen, created a series of pictures of what the night could look like if… Continue reading Starry, Starry, Starry Night

China & the USA to ban incandescent light bulbs

Incandescent light bulbs are a relic of the past, a vastly inefficient past. Modern alternatives like CFLs and LEDs consume five to ten times less energy. For these reasons, the European Union or Australia have already phased them out. More countries will be doing the same, namingly the United States and China. The latter will… Continue reading China & the USA to ban incandescent light bulbs

Isang Litrong Liwanag : The solar bottle

While reading the tweets of the people I follow, one from Andrew Revkin got my attention : “ H. sapiens, innovator: Solar “light bulbs” from water-filled soda bottles brighten tin-roofed slums.  “ This was how I got introduced to Isang Litrong Liwanag ( “A Liter of Light” ), one of the most brilliant ideas I… Continue reading Isang Litrong Liwanag : The solar bottle