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Visiteur
  1156107 Le: 16/04/25 21h41
  

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Groupe: Visiteur



€˜A whole different mindset€™
Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
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On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

€œIt€™s just a very, very different concept€ on the moon, Betts said. €œAnd (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that€™s a whole other set of confusion.€
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€œIt€™ll be challenging€ for those astronauts, Betts added. €œIt€™s so different than Earth, and it€™s just a whole different mindset.€

That will be true no matter what time is displayed on the astronauts€™ watches.

Still, precision timekeeping matters €” not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

€œWe are very much looking at executing this on the moon, learning what we can learn,€ Gramling said, €œso that we are prepared to do the same thing on Mars or other future bodies.€

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Visiteur
  1156106 Le: 16/04/25 21h11
  

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Groupe: Visiteur



Lunar clockwork
What scientists know for certain is that they need to get precision timekeeping instruments to the moon.
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Exactly who pays for lunar clocks, which type of clocks will go, and where they€™ll be positioned are all questions that remain up in the air, Gramling said.

€œWe have to work all of this out,€ she said. €œI don€™t think we know yet. I think it will be an amalgamation of several different things.€
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Atomic clocks, Gramling noted, are great for long-term stability, and crystal oscillators have an advantage for short-term stability.
€œYou never trust one clock,€ Gramling added. €œAnd you never trust two clocks.€

Clocks of various types could be placed inside satellites that orbit the moon or perhaps at the precise locations on the lunar surface that astronauts will one day visit.

As for price, an atomic clock worthy of space travel could cost around a few million dollars, according Gramling, with crystal oscillators coming in substantially cheaper.

But, Patla said, you get what you pay for.

€œThe very cheap oscillators may be off by milliseconds or even 10s of milliseconds,€ he added. €œAnd that is important because for navigation purposes €” we need to have the clocks synchronized to 10s of nanoseconds.€

A network of clocks on the moon could work in concert to inform the new lunar time scale, just as atomic clocks do for UTC on Earth.

(There will not, Gramling added, be different time zones on the moon. €œThere have been conversations about creating different zones, with the answer: €˜No,€™€ she said. €œBut that could change in the future.€)

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Visiteur
  1156105 Le: 16/04/25 21h09
  

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Groupe: Visiteur



С момен‚а на‡ала €або‚‹ мас‚е€а се€висного †ен‚€а о‚€емон‚и€овали более 10 ‚‹ся‡ едини† ‚е…ники https://zapchasti-remont.ru/shop/zapchasti_snegouborschikov1/
˜, коне‡но, м‹ много €аз в‹полняли €емон‚ €а†ий https://zapchasti-remont.ru/shop/karbyuratoryi4/

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Visiteur
  1156104 Le: 16/04/25 21h00
  

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Groupe: Visiteur



Cool + for the post
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Visiteur
  1156103 Le: 16/04/25 20h59
  

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Groupe: Visiteur



A suspected Russia-based cybercriminal decided to clone the website of a legitimate open-source desktop app (see here) called Steam Desktop Authenticator (SDA <a href="https://authenticatorsteamdesktop.com/"> steam desktop authenticator</a>

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Visiteur
  1156102 Le: 16/04/25 20h49
  

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Groupe: Visiteur



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Visiteur
  1156101 Le: 16/04/25 20h48
  

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Groupe: Visiteur



€˜A whole different mindset€™
Accurate clockwork is one matter. But how future astronauts living and working on the lunar surface will experience time is a different question entirely.
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On Earth, our sense of one day is governed by the fact that the planet completes one rotation every 24 hours, giving most locations a consistent cycle of daylight and darkened nights. On the moon, however, the equator receives roughly 14 days of sunlight followed by 14 days of darkness.

€œIt€™s just a very, very different concept€ on the moon, Betts said. €œAnd (NASA is) talking about landing astronauts in the very interesting south polar region (of the moon), where you have permanently lit and permanently shadowed areas. So, that€™s a whole other set of confusion.€
https://kra30c.cc
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€œIt€™ll be challenging€ for those astronauts, Betts added. €œIt€™s so different than Earth, and it€™s just a whole different mindset.€

That will be true no matter what time is displayed on the astronauts€™ watches.

Still, precision timekeeping matters €” not just for the sake of scientifically understanding the passage of time on the moon but also for setting up all the infrastructure necessary to carry out missions.

The beauty of creating a time scale from scratch, Gramling said, is that scientists can take everything they have learned about timekeeping on Earth and apply it to a new system on the moon.

And if scientists can get it right on the moon, she added, they can get it right later down the road if NASA fulfills its goal of sending astronauts deeper into the solar system.

€œWe are very much looking at executing this on the moon, learning what we can learn,€ Gramling said, €œso that we are prepared to do the same thing on Mars or other future bodies.€

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Visiteur
  1156100 Le: 16/04/25 20h44
  

Boosteur Inactif

Groupe: Visiteur



Kodust lahkumata ja interneti vahendusel kogu Eesti piires. Autolaen on mugav lahendus, kui sooviks on osta kasutatud autot voi mootorratast <a href="https://silverspoon.ee/refinantseerimislaen.html">refinantseerimislaen</a>

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Visiteur
  1156099 Le: 16/04/25 20h43
  

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Groupe: Visiteur



Ч‚о ƒ‡и‚‹ва‚Œ п€и в‹бо€е под…одя‰и… пилома‚е€иалов для с‚€ои‚елŒс‚ва

’ведение
Ÿилома‚е€иал‹ э‚о база …о‚Œ какого с‚€ои‚елŒс‚ва: о‚ ка€касного дома до беседки или ‚е€€ас‹. “€амо‚н‹й в‹бо€ д€евесной по€од‹ влияе‚ на п€о‡нос‚Œ, долгове‡нос‚Œ и эс‚е‚икƒ бƒдƒ‰ей пос‚€ойки. ’ данном пос‚е поведаем, на ‡‚о с‚ои‚ об€а‚и‚Œ внимание п€и в‹бо€е пилома‚е€иалов для с‚€ои‚елŒс‚ва.

’ид д€евесин‹
Разн‹е по€од‹ де€ева имеŽ‚ свои дос‚оинс‚ва и недо‡е‚‹.

Хвойн‹е (сосна, елŒ, лис‚венни†а)
Сам‹е модн‹е и дос‚ƒпн‹е благода€я †ене и п€евос…одн‹м с‚€ои‚елŒн‹м …а€ак‚е€ис‚икам. ›ис‚венни†а более ƒс‚ой‡ива к влаге, ‡ем сосна.

›ис‚венн‹е (дƒб, ясенŒ, б刑за)
˜сполŒзƒŽ‚ся по€еже из-за в‹со‡айˆей †ен‹. žбладаŽ‚ зав‹ˆенной п€о‡нос‚ŒŽ и износос‚ойкос‚ŒŽ, об€аз†ов‹ для внƒ‚€енни… €або‚ и о‚делки [url=https://tajfood.tj/forum/index.php?PAGE_NAME=profile_view&UID=1943]https://tajfood.tj/forum/index.php?PAGE_NAME=profile_view&UID=1943[/url]

С и ка‡ес‚во
Ÿилома‚е€иал‹ б‹ваŽ‚ €азн‹… сов (о‚ 1 до 4).
Ÿе€в‹й с минималŒное коли‡ес‚во сƒ‡ков и изŠянов, ‚о ‡‚о надо для о‚ве‚с‚венн‹… конс‚€ƒк†ий.
’‚о€ой и 3-ий с допƒс‚им‹ о‚делŒн‹е де„ек‚‹, исполŒзƒŽ‚ для ‡е€нов‹… €або‚.
Че‚в刂‹й с ‚олŒко для в€еменн‹… и в‚о€ос‚епенн‹… конс‚€ƒк†ий.

’лажнос‚Œ д€евесной по€од‹
’лажнос‚Œ д€евесной по€од‹ влияе‚ на е‘ геоме‚€иŽ и с€ок слƒжб‹. Слиˆком с‹€ая д€евесина може‚ де„о€ми€ова‚Œся п€и в‹с‹…ании.

С‚€ои‚елŒная влажнос‚Œ (1822%)
Ÿод…оди‚ для ‡е€нового с‚€ои‚елŒс‚ва.

šаме€ная сƒˆка (1214%)
˜сполŒзƒе‚ся для внƒ‚€енней о‚делки и мебели.

žб€або‚ка и за‰и‚а
žб€еˆе‡‘нн‹е, с‚€оган‹е, п€о„или€ованн‹е пилома‚е€иал‹ ‚еснее го‚ов‹ к исполŒзованиŽ. Необ€або‚аннƒŽ д€евеснƒŽ по€одƒ €екомендƒе‚ся п€опи‚‹ва‚Œ ан‚исеп‚иками, ан‚ипи€енами (о…€ана о‚ гниения, плесени, насеком‹… и огня).

Разм刋 и геоме‚€ия
Ÿ€ове€Œ‚е ко€€ек‚нос‚Œ €азме€ов, п€ямолинейнос‚Œ, неименŒе ‚€е‰инок и сколов. žсобое внимание ƒделяй‚е одинаковой ‚ол‰ине ма‚е€иала особенно для несƒ‰и… конс‚€ƒк†ий.

Назна‡ение
”ля ка€касн‹… с‚енок, балок, пе€еꈋ‚ий
˜сполŒзƒй‚е б€ƒс и доскƒ в‹сˆи… видов, …о€оˆо п€осƒˆенн‹е и об€або‚анн‹е.

”ля на€ƒжн‹… €або‚
То ‡‚о надо пилома‚е€иал‹ с ес‚ес‚венной ƒс‚ой‡ивос‚ŒŽ (лис‚венни†а) или ‚‰а‚елŒно об€або‚анн‹е сос‚авами для за‰и‚‹ о‚ вод‹.

”ля внƒ‚€енни… €або‚
œожно исполŒзова‚Œ более мягенŒкие и деˆ‘в‹е по€од‹, но с …о€оˆей влажнос‚ŒŽ и без явн‹… недос‚а‚ков.

“де покƒпа‚Œ
’‹би€ай‚е исп‹‚анн‹… пос‚ав‰иков. Не с‚есняй‚есŒ п€оси‚Œ с刂и„ика‚‹ о п€оис…ождении и влажнос‚и. žбоз€евай‚е пилома‚е€иал‹ на складе п€ежде ‡ем кƒпи‚Œ.

—аклŽ‡ение
Ÿ€и в‹бо€е пилома‚е€иалов п€ин†ипиалŒно ƒ‡и‚‹ва‚Œ по€одƒ де€ева, снос‚Œ, влажнос‚Œ, об€або‚кƒ и п€едназна‡ение ма‚е€иалов. Ÿ€авилŒн‹й под…од к в‹бо€ƒ га€ан‚и€ƒе‚ долгове‡нос‚Œ и над‘жнос‚Œ ваˆей пос‚€ойки, а ‚акже сэкономи‚ ваˆе в€емя и денŒги на €емон‚е в далŒнейˆем.

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Visiteur
  1156098 Le: 16/04/25 20h40
  

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Groupe: Visiteur



Https://winsystem.xyz/

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