Fears for future of Mexico City's 'green lung'

A major construction project in wetlands seen as one of the "green lungs" of smog-choked Mexico City has raised concerns for the future of the UNESCO World Heritage Site.

A new 'twist' to break viscoelastic liquid bridges

If you've ever tried to lift a pizza slice covered in hot, melted cheese, you've no doubt encountered the long, cheesy strings that bridge one pizza slice from the next. Keep lifting the pizza slice and these cheese bridges ...

Molecular bridges power up printed electronics

The exfoliation of graphite into graphene layers inspired the investigation of thousands of layered materials: amongst them transition metal dichalcogenides (TMDs). These semiconductors can be used to make conductive inks ...

How the 3-D structure of eye-lens proteins is formed

The lens of the human eye gets its transparency and refractive power from the fact that certain proteins are densely packed in its cells. These are mainly crystallines. If this dense packing cannot be maintained, for example ...

page 1 from 26

Bridge

A bridge is a structure built to span a valley, road, railroad track, river, body of water, or any other physical obstacle, for the purpose of providing passage over the obstacle. Designs of bridges will vary depending on the function of the bridge and the nature of the terrain where the bridge is to be constructed.

This text uses material from Wikipedia, licensed under CC BY-SA