English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The meaning of Lorentz contraction in special relativity and its connectionwith Bell's spaceships parable is discussed. The motion of Bell's spaceships isthen compared with the accelerated motion of a rigid body. We have tried towrite this in a simple form that could be used to correct students'misconceptions due to conflicting earlier treatments.

Lorentz contraction, Bell's spaceships, and rigid body motion in special relativity