stackyFACTS
Transport

Night cycling absolutely requires a white front light

HERE’S THE INTERESTING PART

Stealthily pedaling through the darkness without illumination isn't just incredibly dangerous, it is explicitly illegal. You must physically attach a beaming flashlight to your handlebars so oncoming cars know not to flatten you.

Night cycling absolutely requires a white front light
STACKY / Transport
One discovery leads to another.

Keep exploring facts in this topic.

Transport →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
Bicycles completely altered human genetics in rural England by allowing young men to easily travel to neighboring villages and court women outside their immediate gene pool.
Transport

Bicycles completely altered human genetics in rural England by allowing young men to easily travel to neighboring villages and court women outside their immediate gene pool.

Bicycles completely altered human genetics in rural England by allowing young men to easily travel to neighboring villages and court women outside their…

Discover more
Early bicycle helmets from the early twentieth century were not made of shock-absorbing foam or hard plastic, but were instead constructed from tightly woven strips of genuine…
Transport

Early bicycle helmets from the early twentieth century were not made of shock-absorbing foam or hard plastic, but were instead constructed from tightly woven strips of genuine…

Early bicycle helmets from the early twentieth century were not made of shock-absorbing foam or hard plastic, but were instead constructed from tightly woven…

Discover more
How bicycles save millions of gallons of gas
Transport

How bicycles save millions of gallons of gas

As much as it pains the average driver to admit, the guy in spandex blocking the intersection is actually saving the planet. By choosing pedal power over…

Discover more
The world makes far more bicycles than cars
Transport

The world makes far more bicycles than cars

Despite car companies dominating every ad break known to man, humanity is quietly churning out over a hundred million bicycles a year. This easily eclipses…

Discover more
Why a bicycle stays upright while you ride
Transport

Why a bicycle stays upright while you ride

Bicycles somehow stay upright entirely due to momentum and subtle steering corrections. You are practically defying gravity while wearing aggressively tight…

Discover more
Why bicycles took so long to catch on
Transport

Why bicycles took so long to catch on

The two-wheeled wonder could have been popular decades earlier, but nobody wanted to pedal through two feet of horse manure and cobblestones. Early cyclists…

Discover more
StackyMore discoveries in the app
Download on the App Store