4 ms·
Are you joking? Batteries have improved like 100 times, solar like 10 times and windpower like 1000 times over time. I have an amazing Ultrafire flashlight wi
by pipio21 10y ago
Are you joking?
Batteries have improved like 100 times, solar like 10 times and windpower like 1000 times over time.
I have an amazing Ultrafire flashlight with lithium battery that last three months since last time I charged it. I use it every single day.
Solar tech are getting 40, 50% efficiency. The first one I got had like 2%.
Near my house in central Europe there is a 3MegaWatts wind turbine.
It looks people have difficulties understanding exponential growth. If some technology improves 10% each year like batteries have done and it looks more or less the same, in reality it makes enormous change over time.
- jacquesm 10y agoI'm not denying there are real breakthroughs. But I am noting that for every 100 breakthrough press releases only a very very small number eventually make it to market. And that's besides the outright scams (solar panels made from human hair?).
- 7952 10y agoThis is certainly true of wind turbines where you see designs that lack an elemetary understanding of the physics involved. The real development happens at an industry level.
- jacquesm 10y agoYep. I've done a fair bit of community service on a renewable energy forum and the number of designs that are just laughably wrong is depressing. A number of them were clearly investor scams (windbelt, windtree). https://en.wikipedia.org/wiki/Windbelt https://en.wikipedia.org/wiki/Windbelt http://www.dailymail.co.uk/sciencetech/article-2855155/Now-electricity-really-grow-trees-Scientists-unveil-prototype-wind-tree-uses-turbines-hidden-inside-plastic-leaves-create-power.html http://www.dailymail.co.uk/sciencetech/article-2855155/Now-e...
- etatoby 10y agoSolar Roadways!!! (Google it for some of the most entertaining debunking videos and articles)