Marine life researchers used a non-toxic dye to study how sea sponges helped ocean water clean. Footage shows the green colouring being sucked by the underwater creature into its pores. It then ...
When you dip a sponge in water, it soaks up the water because the sponge is porous – it contains empty pores where water can be absorbed. The best supercapacitorssoak up the most charge per unit ...
Like a bath sponge, the product is able to hold and release large quantities of the gas at lower pressure and cost. Containing billions of tiny pores, a single gram of the new aluminium-based ...