Echolocating footwear lets you find your way to the loo at night

Bat slippers

To navigate your way around the house in the dark, try this ingenious footwear

“I try to tidy before bed, but the kids’ Lego often litters the landing, making it hard to creep to the toilet at night,” says Lou Tripp. “Turning on the light wakes everyone, but so do my howls of pain when I step on a stray piece. How can I keep the family sleeping soundly and avoid injury?”

A nocturnal navigation aid could stop you from being the thing that goes bump in the night. But form is important in this instance: a clever…