The SR-71 used an Astroinertial Navigation System that used stars to keep the navigation information accurate as the plane flew over long distances. Normally an inertial navigation system degrades in accuracy over time and distance due to small errors building up and something called gyro drift. The NAS-14V2 used a catalog of known stars and a gimballed telescope to identify specific stars (even during a cloudy day) and determine the position of the stars in relation to the aircraft. Using this information the position of the aircraft can be used to revise the inertial navigation system’s data every so often so the accuracy is much better.

This is not a great explanation of radix economy of Base e.

Slaughterhouse Five (the book) did this fairly well, though the movie isn’t much better than Madame Web.

Timeline! The movie was completely forgettable but the concept was pretty cool. I loved the book.

Exceed is still the only program that handles graphically intense Unix X11 sessions properly for Windows machines. It’s still not great though.

Some of us still have to slog through old CAD applications that have long been abandoned.

Same. It was a shock to me reading all the replies of people not just turning down the master volume. Usually there is a button on you keyboard specifically for that!

You’re mixing up the Fermi paradox and the Drake equation.

Assuming you meant the Drake equation, more than half of the variables we have absolutely no statistical basis to decide on a fraction. Obviously they are non-zero, but they could be extremely improbable. We only have one example of intelligent life developing radio communications. Any estimate of a statistical likelihood of that using Earth as an example is meaningless without other examples.

Some pessimistic estimates give solutions as small 9.1 x 10^-13 which indicates we would be alone.

The Fermi Paradox riffs on the optimistic answer to Drake’s Equation. If other intelligent life is a certainty, why haven’t we found them yet?

engineerguy (Bill Hammack) is a great channel where Bill explains all kinds of different things.

Prove it.

These are so cool! Do you have a link to buy?

Edit: Found them! These are crimpless solder sleeves. Crimpless Solder Sleeve Heat Shrink Variety Kit - 90 Piece

Print this out for him: https://xkcd.com/627/

Everyone should learn the basics of troubleshooting!

When trying to resolve a problem it’s really important to keep as many variables under control as possible so that you can find the root cause and fix it.

I see lots of people who try a bunch of things without isolating the issue first but can’t figure out what is wrong. Then because they messed with it so much it’s almost impossible to figure out.

This is important for car maintenance, home maintenance, electronics, computers. Just about everything that can break or stop working right in your life.

Playing devil’s advocate here, but is it truly a public good to have as many works as possible accessible to the public?

What if misinformation outweighs real information in the aggregate?

Relevant username?

Keith David makes a great Vice President too: https://saintsrow.fandom.com/wiki/Keith_David

His breakdown of Wozmon was my introduction to him. He is incredibly good at explaining and breaking things down. I was riveted when I started watching.

8-Bit Guy is great. Love his deep dives on how older technology works.

Ronald Finger AKA Fingerprints Workshop

His videos on restoring a 1985 Fiero got me hooked. His video subject matter and editing style are interesting and fun.

It is undefined because the inverse of division is multiplication. If you multiply by zero, every answer is zero. If you try to invert that operation you can’t know which number was multiplied by zero to get zero because multiplying by zero doesn’t produce a unique answer for each operation.

Additionally, if you take the limit of 1/x as x approaches zero from the positive side the result approaches positive infinity. If you take the limit from the negative side it approaches negative infinity.

An interesting thing to think about is whether multiplication by zero really makes much sense in the concrete world. You can’t really have zero groups of something or some number of groups of zero. Zero groups of anything is still nothing. We can think of that abstractly once we have the abstract concept of numbers, but in the real world that idea is nonsense.

Recently dealt with this. Save all your tabs as bookmarks, then import to Firefox. Open all bookmarks. Delete chrome.