![Electricity from Sea Water](https://www.lunarmobiscuit.com/wp-content/uploads/2021/10/salt-water-lamp-header-580x120.png)
I keep seeing stories about a new lamp that is “powered” by salt water. The claim is that you’ll get 45 days of lighting using nothing more than half a liter of salt water… What I want to know is why none of these journalists ever check with an engineer or physicist or high school science teacher on whether such a claim is possible. If it’s not obvious to you, the...