For the many wondrous things humans can do, we can't fly on our own. But if we could, how big would our wings be? Of course, the answer depends on the person's size. But someone who's about 155 ...

There's a project to build human wings, but the creator may not have taken a good look at a chart of wingspan-to-mass ratios. Dot Physics blogger Rhett Allain shows why the numbers are so important.

Unfortunately, humans do not have either. Taking these factors into account, it seems that bat-like wings are more suitable for humans than bird-like wings, ...

The problem is that if you have 7 meter long wings, you really aren't going to be able to easily fit them in your car. And that is why humans can't fly. Bonus bird ...

Discover how these tiny wings reigned over humans by influencing warfare, the economy, religion and even causing genetic adaptations. Skip to content. All Sections. Subscribe Now. 65°F.

For the many wondrous things humans can do, we can't fly on our own. But if we could, how big would our wings be? Of course, the answer depends on the person's size. But someone who's about 155 ...