How to repair a 12 volt car battery using food grade Alum and baking soda for under 5 dollars

All right, I’m going to be trying to do today is convert Some of these old batteries that don’t hold charge anymore like this one this one has Not even a volt no oh two volts there Well over 2 volts 30 so basically nothing Screwdriver for this, but I just grabbed this because it […]

4 Revolutionary Riddles

At the Palace of discovery in Paris, they have this huge turntable where you can sit, and perform experiments. Like in the middle of the turntable you can put some water and then add liquid nitrogen, and this creates a kind of fog these tiny water droplets that spread out from the middle, but because […]