Laptop Power Bricks

It is amazing to me that the size and weight of laptops keeps going down, but the “brick” that plugs into the power stays the same or gets bigger.  Can’t they figure that part out?  Until there are batteries in laptops that can last 8 hours, we’ll just have to lug that 5lb brick along.  Ever notice that the size and weight attributes on a laptop never include the power “brick”!