I was on good terms with my high school's computer person back in the seventies, when the entire school district shared a timesharing computer. He told me the password to the teachers' account (yes, just one) for our school. It was "SECRET".

I've been using all three for decades.

CP/M from 1978 to 1988. Call it DOS if you want; they're the same idea.
Mac since 1986, when I discovered how easy it was to use.
Unix since 1987, Linux in the mid 90s.
Windows since 1997 when I had to use a 'real' CAD program instead of the one our company built using a homegrown Forth OS.
I still only use Windows for engineering programs. My home machine is a Mac, and the telescopes use Linux.

Since the cameras we have in place already were sufficient to identify the suspects, we obviously need more cameras.
We call this "logic".

No, you're thinking of someone programming a CP/M system in FORTRAN. The PDP/11 was a luxurious machine compared to that torture.

Recession? Oh, yeah, I got hired in the 2002 recession because I could fix a system for a radio astronomy project that an ex-coworker was working on, even though I didn't know the first thing about radio astronomy. I never have had to look for a job, and I'm a college dropout.

It doesn't hurt that Jobs' old buddy the Woz wears my Nixie tube wristwatch.

It's a math problem. All cities have risk management departments, whose job it is to calculate whether it makes more economic sense to pay their money to residents injured or killed by explosions, or to construction crews to repair the lines.

So, they could change it to "oGooglebar®".

Many, if not most, left handed people end up doing some tasks right-handed. These are the tasks that require a piece of equipment that's made for use with the right hand.

For example, I'm left-handed but I use right-handed scissors with my right hand, operate the mouse that's provided at the right side of the computer with my right hand, and play a right-handed bass guitar.

Hopefully, the scientific instruments will have improved substantially in 30 years, so its guts will be obsolete and therefore useless. As a worker in terrestrial radio astronomy, I can assure you that we don't use any receivers more than 15 years old, and those are about 5x less sensitive than current instruments. Any system designed for space will use the latest proven technology, given the cost to get it up there.

Cooling systems have radiators. I work on very similar radio telescope receivers on Earth. We have a big compressor, like the one used in a home air conditioning system, to cool the gaseous helium to its condensation point of 4 Kelvin. The compressor has a large fan blowing air through it to remove heat from the helium.

Space == no air.

That article is a couple years old. Falcon 9 appears to work well so far, including today's smooth-as-glass launch.

Sure, Musk doesn't understand how to deal with adversity (shoot the messenger?!?), but his companies are doing amazing things.

This stuff has a ways to go. It's a major software undertaking to get it all to work. As an example, we recently bought a Prius with some web-enabled computer thingy in the dashboard. It's supposed to talk to the smartphone via Bluetooth and do all sorts of stuff. However, according to a list published by Toyota, only half of the integration features work properly with our iPhones. Basic things such as MP3 song time display are missing.

Elevators and cash registers did not have 7-8-9 keypads in 1960. Cash registers had 10 keys per digit, and elevators have always had one button per floor.

The only type of machine that had a 7-8-9 keypad was the ten-key machine, used by bookkeepers and accountants to total receipts.

Tee hee. My iPhone has a USB connection and an app called Files that lets me put PDF files on it via the charging/sync cable.

I suspect that an iPad has the same capability, as it runs the same software.

My wife and I both work at home, so we pool our snack-buying resources. Our employers (us) are tightwads.