SkepSkep
All episodes
99% Invisible — 100 Objects #2: 60-Degree Screw
Not scored yet35m·2026-05-29·Arts Culture

100 Objects #2: 60-Degree Screw

99% Invisible

In the early 20th century, nothing quite fit — fire hoses couldn't connect to one another, football teams played with different balls, traffic lights meant different things in different states. Then World War II exposed the deadly cost of incompatibility, and the US quietly imposed a single solution on production…

Listen in your app
Buzzmeter · cross-platform
Not scored yet

We score an episode from what we can actually measure — its reach and engagement, what listeners say about it, and what it covers. We don't have those signals for this one yet, so it doesn't get a number.

Hive Vote · Skep listeners
New on SkepAwaiting the hive's first votes

Buzzmeter says it's buzzing across platforms — the Hive Vote says whether the people who actually listened liked it.

Rate this episode

Add your vote to the Hive — listeners rate every episode after they finish.

Rate this episode
Recent reviews
  • No reviews yet — be the first.

One great episode in your inbox, daily — free.

One email a day, unsubscribe anytime. No spam, ever.