stackyFACTS
Technology

Why stationary bikes still feel like a headwind

HERE’S THE INTERESTING PART

Since you aren't actually fighting wind or hills, the machine just artificially tortures you. A giant metal flywheel spins near strong magnets, and turning up the difficulty simply moves the magnets closer, inducing an invisible drag that ruins your leg muscles.

Why stationary bikes still feel like a headwind
STACKY / Technology
One discovery leads to another.

Keep exploring facts in this topic.

Technology →
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 →
Invisible beams sent electricity a kilometer
Technology

Invisible beams sent electricity a kilometer

Nikola Tesla’s ultimate dream was wireless electricity, and the military is finally making it a practical reality. The US Naval Research Laboratory…

Discover more
Snow plows use heavy angled steel blades to push snow aside
Technology

Snow plows use heavy angled steel blades to push snow aside

There is no complex gathering mechanism here, just aggressive geometry. The massive steel wall is mounted at a distinct angle, converting the forward momentum…

Discover more
Screws hold things together by converting rotation to push
Technology

Screws hold things together by converting rotation to push

A screw is literally just an inclined plane wrapped around a cylinder. When you twist it, those spiraling threads dig into the wood and mechanically pull the…

Discover more
Technology

Massachusetts Institute of Technology researchers invented a morphing carbon fiber material named AeroMorph that completely transforms flat sheets of plastic into complex three…

Imagine buying a chair from IKEA that ships as a completely flat sheet of cardboard and magically folds itself into a piece of furniture when you run an…

Discover more
How a sewing machine ties two threads together
Technology

How a sewing machine ties two threads together

It doesn't poke a single string in and out like a hand needle. The top needle violently shoves a loop of thread through the fabric, where a spinning…

Discover more
Where pool balls go after they disappear
Technology

Where pool balls go after they disappear

Those holes aren't infinite black voids. Under the pristine green felt lies an elaborate, slanted plastic gutter system that uses simple gravity to roll all…

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