#TOTD I like the idea of exoskeletons for rehabilitation (e.g. make paraplegic people walk again) but I dislike human enhancement stuff. Why use an exoskeleton to lift 1000 lbs? Just use a remote controlled robot, or a fork lift! Want to run at 60 mph? Use a car! Just imagine if something goes wrong with the control system or the freaking battery connector fails while the user is lifting 1000 lbs above their head.
#TOTD it annoys me that I can at least pretend to intuitively understand springs and dampers (friction) but I don't get why inertia exists. Sure, it's a fundamental law, Newton's 2nd, D'Alembert's principle, varies kinetic energy, etc. No idea why the universe decided to work in that manner. If masses warp space, why does it take force to accelerate mass but not to keep it going?
#TOTD My native language, Portuguese, has a cool feature that English doesn't have. The word "ai" pronounced ah-ee means "there where you are". It pretty much can only be used in conversation. I like it because, unlike "there", it is completely unambiguous. Another cool feature: days of the week are just numbers. Monday is 2nd, Tuesday is 3rd, ... Friday is 6th.
#TOTD Op-amps (and by extension in-amps) are amazing devices. Recently, when debugging an analog circuit, I noticed that the output of a buffer was measuring half Vdd with the input floating. However, when I tried to measure the voltage at the input I could only read zero. The cool part is the output of the op-amp would also swing to ground when I was reading the input. It turns out the generic op-amp has higher input impedance than my multimeter, which pulled down the input.
#TOTD I really doubt we will have people on the moon by 2024, as is the current plan. And that's if they don't end up canceling the Artemis program due to coronavirus related budget cuts.
#TOTD I am very much in favor of UBI and I am confident it will be adopted in the future. My one fear is it will not be implemented with a strong wealth tax system in place. UBI would still work, but would have the unintended consequence of separating even further the capital owners from the renters / consumers. If we don't like how much influence the 1% have in politics today, imagine if they were 1000x wealthier. Under those optics, UBI is a poweful anti-revolution tool.
#TOTD This is a question that a colleague asked me a couple years ago, and it just keeps coming back to me. If one becomes informed about the damage that our meat consumption is causing on the planet, does it become immoral for one to consume meat? Say, if you watch a couple documentaries on Netflix and continue consuming meat, does that make you a bad person? I don't really have an answer. I think about it every time I eat a burger.
#TOTD An all-electric future would be great, but it gives me the feeling that we'd be putting all eggs into one basket. Electric energy is not as easy to store as chemical energy. Example: if there were a major power outage and all the vehicles that we need to use to go and fix the outage are electric, we could be in deep trouble.
#TOTD I've always been pro legalization of drugs. All drugs! It would reduce crime, mass incarceration, and save a ton of money. Also, people should be allowed to do whatever they want to their own bodies. More recently, I have come to realize that legalizing wouldn't solve the largest problem of all: why people get addicted in the first place. It would just make it easier for people that are addicted to obtain more and more drugs, potentially leading them to an earlier OD.
#TOTD If you are in grad school, take the time to do QUALITY work. Try to go down an extra level of abstraction; learn about every single component of your design or setup; read the docs; look up best practices; track those weird behaviors that only happen seldomly. You have the time, this is your job. Your future self will thank you
As an experiment, I have decided that I will try to post one lesson learned or thought per day. I am interested in the idea of keeping a journal, but I am not willing to fully commit yet. I am hoping this will will be like a lite journal experience, to help me ease into the idea. I will use #TOTD for "thought of the day".