Dog owners are often so busy during the day that they only have time to walk
their dogs at night. Hence the huge popularity in Japan of a dog leash that
glows in the dark. The Wanwan (“doggie”) Line is made of transparent
polyurethane with a flashing LED at one end that transmits light through the
leash. The flashing red leash is easy for pedestrians and cyclists to see in the
dark. Its manufacturer, Matsushita Battery Industrial, decided not to use a
light inside the leash itself in case the dog chews through it.
To continue reading, today with our introductory offers
Advertisement
More from 51¶¯Âþ
Explore the latest news, articles and features

Health
Australia is battling its largest diphtheria outbreak in living memory
51¶¯Âþ

Health
How ageing on Earth mimics the effects of space travel
Comment

Mathematics
Mathematicians stunned by AI's biggest breakthrough in mathematics yet
51¶¯Âþ

Mind
Epic dreaming is leaving people exhausted and distressed
51¶¯Âþ
Popular articles
Trending 51¶¯Âþ articles
1
Mathematicians stunned by AI's biggest breakthrough in mathematics yet
2
The Selfish Gene at 50: Why Dawkins’s evolution classic still holds up
3
Photos reveal unexpected details from the world's first atomic test
4
How I used psychology to come back from the worst year of my life
5
Women’s better memories may delay Alzheimer’s diagnosis by years
6
The distant world that is our best hope of finding alien life
7
Putting CO2 into rocks and getting hydrogen out is climate double win
8
The ‘doomsday’ glacier’s giant ice shelf is about to break away
9
Epic dreaming is leaving people exhausted and distressed
10
Solar farm on the ocean outperforms land-based solar in Taiwan