If you have a 3D printer, your nozzle and heater block are invariably covered in a weird goo consisting of decomposed and burnt plastic. There’s only one way around this – a nozzle sock, or a silicone ...

Don’t throw away your worn-out socks just yet! They can be surprisingly useful around the house, in the garden or even while traveling. In a pinch, slip socks over your hands to keep them warm if ...