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Frankhoump

18 Apr 2025 - 02:00 pm

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.

“We have to work all of this out,” she said. “I 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.
“You never trust one clock,” Gramling added. “And 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.

“The very cheap oscillators may be off by milliseconds or even 10s of milliseconds,” he added. “And 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. “There have been conversations about creating different zones, with the answer: ‘No,’” she said. “But that could change in the future.”)

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18 Apr 2025 - 01:46 pm

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18 Apr 2025 - 01:31 pm

Tyler O’Neill hits record-extending sixth straight Opening Day home run
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For six seasons in a row, Tyler O’Neill has homered on MLB Opening Day.

Making his debut for the Baltimore Orioles on Thursday, O’Neill started the season with his record-extending sixth straight home run on Opening Day during his team’s 12-2 win against the Toronto Blue Jays.

No other player has homered on more than four consecutive Opening Days, with the 29-year-old outfielder’s three-run shot sending the Orioles into a 5-0 lead at the top of the third at Rogers Centre.
Todd Hundley (1994-97), Gary Carter (1977-80) and Yogi Berra (1955-58) all hit four consecutive home runs on Opening Day, while the Major League Baseball record for the total number of Opening Day home runs is held jointly by Adam Dunn, Ken Griffey Jr. and Frank Robinson on eight.

“I’m just not trying to make too much of it,” O’Neill told reporters about his streak. “I’m just trying to go out, have a good first at-bat and see what the game gives me from there.

“Obviously, I understand what’s going on, but it’s not like I’m going out there trying to do anything crazy.”

O’Neill, who signed a three-year, $49.5 million contract to join Baltimore from the Boston Red Sox in the offseason, finished three-for-three with three RBIs and two walks against the Blue Jays.

“It’s a little different when the lights turn on and you’ve got to show up, so it was really cool to see all the guys show up today,” he said. “We got after it out there.”

While the first two games of the MLB regular season took place between the Chicago Cubs and Los Angeles Dodgers in Tokyo last week, Thursday marked the first official day of the season in the United States.

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Larryseilt

18 Apr 2025 - 12:37 pm

WASHINGTON — “Liberation Day” just gave way to Capitulation Day.
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President Donald Trump pulled back Wednesday on a series of harsh tariffs targeting friends and foes alike in an audacious bid to remake the global economic order.

Trump's early afternoon announcement followed a harrowing week in which Republican lawmakers and confidants privately warned him that the tariffs could wreck the economy. His own aides had quietly raised alarms about the financial markets before he suspended a tariff regime that he had unveiled with a flourish just one week earlier in a Rose Garden ceremony.

Follow live politics coverage here
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The stock market rose immediately after the about-face, ending days of losses that have forced older Americans who've been sinking their savings into 401(k)s to rethink their retirement plans.

Ahead of Trump's announcement, some of his advisers had been in a near panic about the bond markets, according to a senior administration official. Interest rates on 10-year Treasury bonds had been rising, contrary to what normally happens when stock prices fall and investors seek safety in treasuries. The unusual dynamic meant that at the same time the tariffs could push up prices, people would be paying more to buy homes or pay off credit card debt because of higher interest rates. Businesses looking to expand would pay more for new loans.
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Two of Trump's most senior advisers, Treasury Secretary Scott Bessent and Commerce Secretary Howard Lutnick, presented a united front Wednesday, urging him to suspend the tariffs in light of the bond market, the administration official said.

In a social media post, Trump announced a 90-day pause that he said he’ll use to negotiate deals with dozens of countries that have expressed openness to revising trade terms that he contends exploit American businesses and workers. One exception is China. Trump upped the tariff on the country’s biggest geopolitical rival to 125%, part of a tit-for-tat escalation in an evolving trade war.

Trump reversed course one week after he appeared in the Rose Garden and unveiled his plan to bring jobs back to the United States. Displaying a chart showing the new, elevated tariffs that countries would face, Trump proclaimed, “My fellow Americans, this is Liberation Day.”
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