More
This week on the channel +828K views this week

Practical Engineering asks where the fire escapes went

Grady Hillhouse traces the shift from outdoor iron stairs to protected interior exits, with a detour through some unlikely patents.

Why this story? The channel's weekly summary: what went up this week, what is drawing views now, and where the channel stands among similar channels.

Whatever Happened to Fire Escapes?Whatever Happened to Fire Escapes?

Things we can learn from the video

Press to jump

  1. 1:44Building codes establish minimum fire-safety standards amid the economic pressures of real estate.
  2. 5:44Early escape-device patents included parachute hats, ropes, chutes and baskets before iron stairs became common.
  3. 7:24An 1881 Franklin Institute study identified advantages of internal fireproof stairwells over exterior iron stairs.
  4. 11:26Modern replacements combine protected interior stair towers, pressurization, sprinklers and fire-resistant materials.
  5. 13:17A stretcher-access proposal illustrates how code changes can make elevators larger and more costly.

Why do older city buildings wear their escape routes on the outside, while newer ones hide them indoors? Grady Hillhouse's "Whatever Happened to Fire Escapes?" makes that familiar streetscape into a lesson about how safety standards change.

Practical Engineering posted nothing new this week, but the fire-escape explainer is approaching a million views and is currently the channel's busiest video. Hillhouse reaches back to crowded nineteenth-century tenements and early escape-device patents, including parachute hats, ropes and baskets. Iron stairs look sensible beside those ideas, yet engineers recognized their shortcomings surprisingly early: an 1881 Franklin Institute study favored internal fireproof stairwells.

The modern alternative gets its explanation later: protected, windowless stair towers, pressurization, sprinklers and more fire-resistant construction. Hillhouse then follows a firefighter's stretcher proposal into an unexpected consequence, larger and more expensive elevators. His point is not that building codes get everything wrong, but that even sensible requirements carry tradeoffs. The video ends with a sponsored Ground News segment.

Across the channel, the week brought roughly 828,000 views, with subscribers unchanged. Daily viewing is currently below its usual pace. Among nearby science channels, Be Smart had a substantially larger viewing week, while Real Engineering and TheDadLab also have daily views running below their norms.

There is plenty of familiar infrastructure elsewhere in Practical Engineering's active catalog. "Stopping the Unstoppable" continues drawing viewers to railway buffer stops, while "The Hidden Engineering of Pressure Regulators" offers the more hands-on pleasure of seeing an everyday mechanical device cut in half.

Published on Trari

Where next?

Or follow us on Telegram

The videos drawing views on Practical Engineering right now

The facts
Subscribers
4,840,000
Channel views, last 7 days
828,203
Videos published this week
0

The numbers

Here is Practical Engineering's week in views and subscribers.

views gained this week: this channel and similar channels
Be Smart
2,030,463
Steve Mould
1,236,987
TheDadLab
664,118
subscribers
4,840,000
no significant change in the last 7 days
total views
573,832,384
views per day
104,049
typical day: 182,648
subscribers: this channel and similar channels
minutephysics
5,990,000
Miwu Science
5,990,000
Be Smart
5,890,000
TheDadLab
5,130,000
Steve Mould
3,620,000
As of October 30, 2026 · Data source: Trari Social News, Trari Traffic Trends and Ranking Platform, Google YouTube
Subscriber, view, like and comment counts are YouTube's. Rates, usual days, rankings, comparisons and categories are Trari's own calculations.
Developed with YouTube

💡 Test your knowledge

Which city prohibited exterior fire escapes in new construction in 1968, as explained in the video?