pocketstar

A gyro by definition IS inertial guidance.

This is an incredibly naive approach. All asteroids emit light in the infrared, to detect and track asteroids just takes an infrared telescope making apparent motion against any background completely irrelevant. NASA is working on this: https://en.m.wikipedia.org/wiki/NEO_Surveyor

inkl has pretty good variety of news sources for a reasonable subscription fee, i subbed for years then started using apple news. Unfortunately i cannot recommend inkl because you have to email support to cancel your subscription, they offer a 50% discount if you try to cancel but that business practice of sign up with one click, email support to cancel i cannot condone.

Fatigue is why we use steel for everything, no other alloys have the practical strength and infinite life.

Not all asteroids are “bright” enough to be imaged from earth, the problem is the low albedo asteroids you cant see, thats why we need this: https://solarsystem.nasa.gov/missions/neo-surveyor/in-depth/

Running the case this hot will degrade the battery significantly faster, hot battery reduces short term capacity and hot battery reduces lifetime capacity. MacBook(2015) has similar issues.

There is one!

https://jwst.nasa.gov/content/webbLaunch/whereIsWebb.html

What is phage bacteria?Bacteriophages are a virus. If phage therapy is successful, there shouldnt be any target bacteria left to kill.

inkl.com has been around a lot longer than “apple news” and seems to have much more news sources. Im going to be voting for the underdog with my money.

Canada? Or Common Wealth? Judging from how you spell “cheque”. Signatures still mean something in some countires, just not the US.

vrbo.com works for renting large places too.

imo the best way to combat this is to answer the call and waste as much of the scammers time as possible. Call spamming only scales because most people ignore or hangup immediately. If you waste 30seconds of a scammers time thats 30 more people they cant call. And that 30 seconds costs THEM money. I just answer say “hi” to start the recording and leave the phone on my desk until they hangup. Perhaps i dont completely understand the backend but if more people wasted the scammers time it would quickly become too expensive for them to continue.

Just pulled my Mac SE out of storage. Great to see what the little machine can still do!

“As the supersonic solar wind flows past objects in its path, such as planets or smaller bodies...”

essentially anything moving with any velocity is supersonic in space

Wow, something I am working on made it to HN FP?! Happy to answer questions.

only the exterior blankets would have such extreme temperature cycles, the inner aluminum hull would have a much more stable temperature. The diurnal would be much more benign. Still enough for CTE and fatigue to cause a failure.

NASA’s box requirement is 70C. That means the ICs in the box are much hotter, parent is probably refering to IC temp, not unit.

ULA has 100% mission success. The Atlas family has 100% mission sucess since 1957. The ULA markup is justified for a high value mission. BO and spaceX have big shoes to fill when it comea to building industry and insurer trust. The Amos 8 failure was an expensive lesson for spacex.

A malicious chip inside the USB-C connector with pass through power to the fan seems reasonable.

perhaps the website and post was made on the iPad? /shrug

is this an ad?

Has there been a study addressing whether these clean rooms are completely counterproductive to their stated goal?

What is a cleanroom's stated goal? Implying the cleanroom's only purpose is for reducing the risk of forward contamination.

Spacecraft will be manufactured in a cleanroom regardless of effectiveness at stopping microbial forward contamination. Foreign Object Debris, payload and bus contamination during manufacture are the primary concerns. For example, dust or condensate on an optical payload would ruin a Discovery class mission.

The stated goal of a clean room is for quality control, reducing microorganism forward contamination is a secondary.

A bacteriophage? https://en.wikipedia.org/wiki/Bacteriophage

commodity motion sensors are thermal sensors[0]. Perhaps a FLIR[1]?

[0] https://en.wikipedia.org/wiki/Passive_infrared_sensor [1] https://en.wikipedia.org/wiki/Forward_looking_infrared

SPOILER :(

I understand the root issues is Amtrack unions. Amtrack staffing is one employee to four passengers. I dont know what the ratio is for airlines but it must be lower. This video does a pretty good explonation i think: https://m.youtube.com/watch?v=fwjwePe-HmA

It really is. The bottom line is these sensors can scale to small sizes unlike watch batteries enabling remote sensing and integrated manufacturing. Think temperature sensors inside that watch battery. Strain sensors in existing and future infrastructure to monitor uninspectable areas for >50 years. There are a lot of novel applications.

Same principle in that they both use electromagnetism, yes. But Qi and similar wireless charging using inductively couples coils. WISP power is generated from radio waves absorbed by the antenna generating a small current then boosted to a usable voltage for a low power microcontroller. The microcontroller can control the impedence of the antenna, changing the backscatter of the antenna, measure the change in backscatter you can get your 1s and 0s out of the sensor!

edit: wifi router could power these sensors, just a limited range.

what is there to attack? if someone is in range to get the backscattered signal they can just see what the camera is looking at...its 16ft LOS, for privacy concerns at such low powers any walls would attenuate the backscatter.

The new batteryless wireless sensors coming out of uw are incredible. Dr. Smith is leading some great work. My interest started when I heard of the WISP [0]. The RF power harvesting design is so simple and elegant. It is amazing what can be done with uW of power!

[0] https://sensor.cs.washington.edu/WISP.html