Choose from white noise, pink noise, or brown noise and adjust the volume to your liking. At first I thought this is crap, but it actually blocks out the noisy fan from my laptop and the hum of the next door neighbors air conditioning unit even at a low volume level.
This doesn’t look that hard to make! Pedal powered electricity generator! Charge your cell phone, laptop, or run a small appliance or two. This would make a great alternative or supplement to an old gas generator. When you lose power in a storm you know you’re not going to make …