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How about lots of similarly painted cheap decoys!?

There was a Star Trek book (The Abode of Life?) that had a planet that where the communication was mostly confined to the planet. I think Uhura detected the planet from the background noise.

I trust that most batteries from iPhones are currently recycled through proper means either by Apple or third party firms.

I don't know how most people will dispose of user replacement batteries, but I suspect the recycle rates will be lower. If you want to ensure higher rates you also need to do something they do in the USA for car lead acid batteries. Charge a deposit fee on the new battery that is returned only when the battery is turned into a valid recycling entity.

"...When you see “libsodium,” you must context-switch from problem-solving mode to detective mode: “What does this do? Let me check the README. Ah, it’s a crypto library... "

I would not mind the command names whose etymology was complex or inspired, if the README files would do a better job of giving context and function. Even though I have a wide set of wheelhouses in computer systems, I frequently encounter README files that still leaves me saying "Huh?". I shouldn't have to google three levels down before I get a clue.

The Lafayette HA460 6M AM transmitter used a 6CW4 Nuvistor as a preamp. Mine survived a lightning strike to my 6M beam, which melted the Gamma Match and destroyed the front end harmonics filter. All tube, expect for a set of DC inverter transistors that allowed for mobile operation. Relatively good RF sensitivity for an AM rig of the era.

Gingerly repaired it served me many years in the late 1960's and still sits in the shack. Sporatic-E was strong in those days, to the extent you could easily DX low channel TV channels cross country. I turn it on every few months for 10-15 minutes in an attempt to keep the electrolytic capacitors polarized.

"Tau Zero" by Poul Anderson

Is it the same universal every time? If so, see you later alligator.

When we did it in high school (70's) we just used compound that had a long chain (soap?) and only one end dissolved in the water. It was very easy to measure and calculate the size of the molecule . We had a series of these simple experiments. Another I recall was measure the speed at which certain volatile compounds moved through the air.

I definitely learned that all science doesn't have to involve complex equipment.

This was very much spot on. As a middle level manager I tried to bring these in our Healthcare business, but got very little traction. The senior executives could not or would not appreciate the benefits. A portion of the development team were more interested in skills for their next job. I cannot understate the amount of time, money and people we burned through by taking another path.

I am glad this technology survived in MacOS and its hardware.

There were two way pagers (receive and send). The receive only ones rarely interfered with medical equipment. But occasionally the local oscillators on receive only pagers would interfere with medical or sensitive research equipment.

Carter, I can see my house /s

I would be curious to know what proportion of PI time is spent preparing and getting approval for research grants for the various disciplines. Is it normal to have several different proposals submitted to the same or different agencies?

The Mac Pro has ECC and is still sold.

My iMac Pro has it as well.

Also https://cdec.water.ca.gov/cgi-progs/products/rescond.pdf

Legal specifics or requirements aside for the moment, I for one would not feel obligated to contact anyone who stole my car to deal with these records. There are risks here that I would not be comfortable with in this scenario. I would not initiate or consent to any meeting with this person or their representatives.

The deep-dish is really a cheese pie and has nothing to do with pizza. The thin crust has the texture of the local newspapers. Square cut is only found in taverns and has been cooking all day in such.

The good NYC pizzas are heaven compared to anything Chicago offers.

Do any of these hex editors handle RADIX50 (RAD50) ?

PLATO was the Concorde of its time. It showed how technology and social interaction would create new tools and cultures.

Since ubiquitous computing and communication were far in the future, it never had the breakthrough it deserved.

There is significant reverse commute and congestion from Chicago into the suburbs The travel times are typically longer than the conventional flow.

Suburb to Suburb mass transit is bus but challenging for long transits. There are only two major ring type highways. Attempts to get a suburban ring "STAR" train or outer Chicago "Circle" Loop line never get past the study stage.

If you use block multiples on media with defects to speed things the good data fills the buffer first, then the remainder is zero padded for the blocks in error. This shifts good data relative to its original position and most likely further corrupts your attempts at recovery - BTDT.

This page explains the challenge - https://wiki.archlinux.org/index.php/disk_cloning

Agreed,using dd on media with flaws is not straight forward.

See http://www.noah.org/wiki/Dd_-_Destroyer_of_Disks