WRXforScience
WRXforScience
WRXforScience
4h
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The end of a river changes often, that’s how you get river deltas, and the source/origin of many rivers is often a nebulous watershed that converges from a large area coalescing into the river. Seldom does a river have a well defined source (there’s still conflict and debate over the source of the Nile).

8h
3

What about a river? Rivers change course often and use different channels, the water in the river is continuously changing, and often rivers will dry up entirely and yet, almost universally no one considers any of these scenarios as different rivers. Read more

Mar 4
1

You gotta go with the flow. I would assume that the operation would be similar to a glider in air. It is possible to travel opposite to the direction of the air/water stream but it’s not done head-on and the currents are used, not fought. Read more

Mar 4
2

Fair points. This is still an early prototype though, so we all need to keep that in mind that these are test articles and not final versions. The whole program is different than how we’re used to seeing tests of space vehicles. Read more

Mar 4
4

SpaceX is landing and reusing its Falcon 9 boosters regularly, in fact it’s become so routine that one of the Falcon 9's not landing safely has become the exception. Blue Origin also has a suborbital hopper (New Shepard) that regularly lands and is reused (they plan on offering tourist rides in it). Rockets already Read more

Mar 2
6

I hope we go with the same setup, our current rules aren’t especially onerous on the students (and they still have the choice for either in-person or remote learning). The main issue is that the teachers were told from the start that our options are to either accept whatever the admin decides, or we can find a new Read more

Mar 2
22

I’m a teacher at High School in Texas, last week we had a funeral for one of our football coaches who died from Covid (the principal never said the word Covid). Today, just after Abbott’s announcement the principal announced that there is an administrative meeting next week to reevaluate (reduce/remove) our Covid Read more

Feb 26
16

I’m torn. On one hand, Griddy reached out to customers to warn them that they were going to be in for huge bills and that it was the State of Texas itself that increased the wholesale electricity rates to maximum (nearly 100x normal rates), on the other hand, the prices are unreasonable (to Griddy’s credit they are Read more

Feb 26
1

The Earth’s atmosphere is transparent to radio waves with wavelengths over about 3cm’s, those would be the ones that wouldn’t be absorbed by the atmosphere (atmospheric radio opacity is essentially zero). Read more

Feb 26
2

The atmosphere is completely transparent to radio waves and low frequency microwaves, so the only real losses come from incoherency or unfocused emissions (basically the farther you transmit anything the more spread out it becomes). The best parts about space based solar is its consistency and the ability to beam Read more

Jan 27
1

I drove mine stock for a year, with the factory replacement camber bolts you’re limited to about 1 degree of negative camber (which will lead to excessive shoulder wear). My BRZ is STX prepped: coilovers, swaybars, intake, headers, exhaust and tune, a big brake kit, and wheels and tires. I also added an oil cooler Read more

Jan 26
1

I’ve driven all of them (I’m an instructor at the local tracks and with multiple clubs). The 86 twins are more poised than the Miatas, Mazda seems to like a bit of body roll to get their cars to lean in but the 86 brethren just grip and go. The NC is a fine car but the BRZ/FRS just do everything better, so as long as Read more

Jan 26
3

I’d recommend the FRS/BRZ/GT86, lightweight and cheap like a Miata but as a coupe you have a solid roof and space with the seats folded down for a full set of tires. They’re also getting old enough to be cheap enough to turn into a track vehicle. Read more

Jan 25
3

That’s always the argument, but I didn’t see any difference moving from a rural town of under 10k to a metropolitan area of about 6 million. My personal needs, ideology, and opinions didn’t change because my zip code did. Other than farm subsidies, what special needs or rural concerns are there that are unique to Read more

Jan 22
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So, my dad drives an S550 that I’ve driven a number of times and I’ve driven a couple Model S’s and even an E63 AMG. The Tesla out accelerates them all, and was as quiet as the big Merc’s. The Mercedes won out on interior quality and appearance; however, there was nothing particularly wrong with the interior of the S Read more

Jan 22
2

One of my local tracks doesn’t allow EV’s because they require more serious fire response (mainly they have to be doused longer and that requires much more water and thereby a much larger water tanker).

Jan 21
1

Another option is to significantly increase the gas tax, this would both cover charging infrastructure investment and incentivize individuals to switch to electric vehicles. It’s been 30 years since the gas tax was raised, but only because people don’t like paying taxes (especially regressive ones like a gas tax). Read more

Jan 19
1

Smaller satellites also experience a greater proportion of drag than larger satellites so they deorbit more quickly even at the same altitude. Think ping pong ball compared to a basketball: throw them both at the same starting velocity and air resistance quickly slows the ping pong ball, while the basketball keeps Read more