This Is A Light-Nanosecond!

less than 1m read

·Nov 10, 2024

I trimmed my beard yesterday, so I'm feeling a bit like a baby today. But look at the trimmings! Specifically this one that is 2.4 fortnits worth of beard growth. How do I know? Well, because of this tool I made. This about 5 years ago to free people from the tyranny of standard units. It measures in weird units like beard fortnits, the typical length of beard grows every 2 weeks.

It's also got light pico seconds, how far light travels in a trillionth of a second. If you didn't get one 5 years ago but you're subscribed much later this year, three boxes from now you'll get one in a special Legacy box we're making. The entire ruler is exactly one light nond long. This is how far light travels in a vacuum in 1 nond.

Everything I see from this distance, I'm seeing as it was a billionth of a second ago. It's a reminder that you live in the past because light has a finite speed. You do not see things as they are; you see the universe only as it was. Also, you're going nowhere if you fall asleep tonight in the same bed you woke up in this morning. Your average velocity for the day will be zero.

How To Introduce Yourself To Someone You Find Interesting

Welcome to Earth | Official Trailer #2 | Disney+

View All

Chasing Wolverines With Help From Ultra-Runners | National Geographic

[Music] This place is right on the fringe of so many important carnivore species’ habitat. In February of 2014, a camera trap here that the Department of Wildlife Resources had set up captured a wolverine on camera. That was the first time that had happen…

Circuit Terminology

In this video, we’re going to talk about some terminology that we use to talk about how circuits are put together. In previous videos, we’ve talked about the components or elements that are used to make up circuits. So, for example, resistor, capacitor, …

Suspicious Shampoo (Clip) | To Catch a Smuggler | National Geographic

Right this way, guys. You live in mainland China. Yes. Okay. Do you bring anything from China to the United States? No. You have a good day. Thank you. How are you doing? Good. What’s the purpose of your trip? What did you do? Just hang out the weekend. …

URGENT: Federal Reserve STOPS Rates Hikes, Prices Fall, Major Pivot Ahead!

What’s up, you guys? It’s Graham here. And if there’s one video you got to pay attention to, it’s this. As of a few hours ago, the Federal Reserve has decided to pause rates for the foreseeable future. Except this time, they included a very significant re…

Into Nicaragua's Masaya Volcano | Explorer

Next up, my journey 600 feet into the crater of a volatile inferno, where scientists are looking for signs that could end up saving thousands of lives. Masaya in Nicaragua is so feared that religious crusaders once tried to exorcise the devil out of its h…

Howard Marks: The BIGGEST Investment Opportunity in 40 Years

53 years in your investing career, there have been three sea changes, and we are in one of them. What does that mean? Howard Marks, he is a billionaire and one of the most highly respected investors in the world. Marks has been investing for over 50 years…

This Is A Light-Nanosecond!

More Articles