---
title: "Meaning & Key Takeaway of: The official record for the fastest…"
description: "\"“The official record for the fastest manmade object is the Helios 2 probe, which reached about 70 km/s in a close swing around the Sun. But it’s possib..."
image: "https://sms4smile.com/quotes/i/d4a/randall-munroe-4800_fastest_the-official-record-for-the-fastest-manm_2083117.jpg"
---

#  The official record for the fastest manmade object is the…

![“The official record for the fastest manmade object is the Helios 2 probe, which reached about 70 km/s in a close swing around the Sun. But it’s possible the actual holder of that title is a two-ton metal manhole cover. The cover sat atop a shaft at an underground nuclear test site operated by Los…” quote by Randall Munroe](https://sms4smile.com/quotes/i/d4a/randall-munroe-4800_fastest_the-official-record-for-the-fastest-manm_2083117.jpg)   [Download](https://sms4smile.com/quotes/i/d4a/randall-munroe-4800_fastest_the-official-record-for-the-fastest-manm_2083117.jpg) [Open image](https://sms4smile.com/quotes/i/d4a/randall-munroe-4800_fastest_the-official-record-for-the-fastest-manm_2083117.jpg)

> ““The official record for the fastest manmade object is the Helios 2 probe, which reached about 70 km/s in a close swing around the Sun. But it’s possible the actual holder of that title is a two-ton metal manhole cover. The cover sat atop a shaft at an underground nuclear test site operated by Los Alamos as part of Operation Plumbbob. When the 1-kiloton nuke went off below, the facility effectively became a nuclear potato cannon, giving the cap a gigantic kick. A high-speed camera trained on the lid caught only one frame of it moving upward before it vanished—which means it was moving at a minimum of 66 km/s. The cap was never found.””

[Randall Munroe](https://sms4smile.com/quotes/author/randall-munroe/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

A nuclear test accidentally launched a metal cover at extreme speed, possibly making it the fastest human-made object.

**In simple terms:** A test turned a cover into a super‑fast projectile.

Key Takeaway

Consider unexpected consequences of experiments.

Themes

science accident speed human achievement

Mood

curious cautious

Type

scientific informative

When to use this quote

- space travel
- engineering safety
- experimental design

Key Concepts

physics ballistics unintended outcomes

Questions to Reflect On

- What safety measures could prevent such accidents?
- How do we verify extraordinary claims?

A Different Perspective

The claim is anecdotal and lacks verification.

★ ★ ★ ★ ★   No ratings yet

[Around The Sun](https://sms4smile.com/quotes/about/around-the-sun/) [Fastest](https://sms4smile.com/quotes/about/fastest/) [Fastest Manmade](https://sms4smile.com/quotes/about/fastest-manmade-4079024/) [Helios Probe](https://sms4smile.com/quotes/about/helios-probe-4079025/) [Manmade Object](https://sms4smile.com/quotes/about/manmade-object-4079026/) [Record Fastest](https://sms4smile.com/quotes/about/record-fastest-340123/) [Space](https://sms4smile.com/quotes/about/space/)

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