New process encourages ice to slip, slide away
Adjusting density of polymer coating, adding lubricants creates durable repellents
![Ice blocks](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/03/0301016_cm_deicer_free.jpg?fit=860%2C460&ssl=1)
FREEZE OUT Propelled by its own weight, an ice block easily slips off a surface treated with a new ice-repellent coating.
Kevin Golovin