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Thursday, April 4, 2024

Ultimate guide to viewing solar eclipse on April 8 - Fox News

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Depending on where you live in the United States, this month will be your last chance to witness a total or partial solar eclipse until 2044. 

On April 8, our moon will pass between Earth and the sun, temporarily blocking light from the sun.

The total eclipse will occur for those living throughout the Midwest, eastern Mexico and a small part of eastern Canada.

Here are some quick tips on avoiding eye injuries from staring at the sun during an eclipse.

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eclipse

Solar eclipse (Kurt "CyberGuy" Knutsson)

Tip 1 — Wear proper eclipse glasses

Eclipse glasses are significantly darker than normal sunglasses and are designed specifically for viewing solar events. To avoid buying a pair of fake eclipse glasses, ensure that any pair you buy features the ISO 12312-2 filter. You run the risk of serious eye injury and even blindness, so make sure your eclipse glasses are up to par and have the ISO 12312-2 filter.

NEW YORK INMATES SUE CORRECTIONS DEPARTMENT TO WATCH SOLAR ECLIPSE AMID PLANNED PRISON LOCKDOWNS

eclipse glasses

Child wearing eclipse glasses (Kurt "CyberGuy" Knutsson)

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Tip 2 — How to ensure you have the right glasses

NASA itself doesn't approve of any single brand of eclipse glasses. However, they do point towards the American Astronomical Society's list of safe options. NASA also recommends avoiding online marketplaces to buy your eclipse glasses. Due to the popularity of the upcoming solar event, third-party vendors have flooded online marketplaces such as Amazon with knockoff eclipse glasses.

If you still have eclipse glasses after enjoying the 2017 solar eclipse, reusing them is a good idea. The actual ISO 12312-2 filter and lens are good forever if the lens is free of cracks or punctures. However, buying a new pair is a good idea if you are uncertain about it.

PEOPLE WIth eclipse glasses

A group of people wearing eclipse glasses (Kurt "CyberGuy" Knutsson)

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Tip 3 — How to wear eclipse glasses

The only time you can safely remove your eclipse glasses is during the solar eclipse's totality. This period lasts around three minutes, and you'll know it's happening because you won't be able to see the sun through your eclipse glasses anymore . The totality is when the moon entirely obscures the sun during its passing.

When you are wearing your eclipse glasses and look up at the sun, you'll see the glow of the sun. When there is absolutely no glow left, feel free to take a few seconds and then take your eclipse glasses off.

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WOMEN IN eclipse glasses

A group of women wearing eclipse glasses (Kurt "CyberGuy" Knutsson)

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Tip 4 — How to make and use a pinhole projector

If you cannot purchase proper eclipse glasses, you can still enjoy the eclipse with a homemade pinhole projector. Making one is easy; here's how to do it:

  • Cut a 1- to 2-inch square or rectangle out of the centerpiece of plain white paper or white cardboard.
  • Tape a piece of aluminum foil over the square or rectangle you just cut out.
  • Next, use a pin or thumbtack to poke a small hole in the foil.
  • Use a second piece of paper or cardboard as the screen on which the image will be projected.

To use your projector, follow these steps:

  • Place the paper screen on the ground.
  • Stand with the sun at your back.
  • Hold your projector with the foil facing up toward the sky.
  • Ensure that you are viewing the projected image and not looking directly at the sun.
  • Adjusting how far you hold the projector from the screen will make the eclipse image appear larger or smaller.

MORE: HOW TO PROTECT YOURSELF FROM THE SUN

Kurt's key takeaways

This is your last chance to see a total or partial eclipse until 2044, so make sure you follow these steps to find proper eclipse glasses or build your pinhole projector. You can also use a colander as a makeshift projector or make a sturdier projector with a cereal box. The path of totality for the eclipse will center on the East Coast and Midwestern region of the United States, but if you live elsewhere, you'll still be able to see a partial eclipse. A word of advice to any photographers out there: you will need to get a camera with a lens with an ISO 12312-2 filter applied, as looking at the sun directly through a camera's viewfinder will still cause damage to your eye.

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The path of totality for this eclipse cuts across several regions. If you could be anywhere in the world to witness this event, where would you choose and why? Let us know by writing us at Cyberguy.com/Contact.

For more of my tech tips & security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter.

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The Morning After: NASA has to make a time zone for the Moon - Engadget

The White House has published a policy memo asking NASA to create a new time standard for the Moon by 2026. Coordinated Lunar Time (LTC) will establish an official time reference to help guide future lunar missions. The US, China, Japan, India and Russia have space missions to the Moon planned or completed.

NASA (and the White House) aren’t the only ones trying. The European Space Agency is also trying to make a time zone outside of Earth’s… zone.

Given the Moon’s weaker gravity, time moves slightly faster there. “The same clock we have on Earth would move at a different rate on the Moon,” NASA space communications and navigation chief Kevin Coggins told Reuters.

You saw Interstellar, right? Er, just like that. Exactly like that. No further questions.

— Mat Smith

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How to watch (and record) the solar eclipse on April 8

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The most error-free quantum solution yet, apparently.

What if we could build a machine working at the quantum level that could tackle complex calculations exponentially faster than a computer limited by classic physics? Despite all the heady dreams of quantum computing and press releases from IBM and Google, it's still a what-if. Microsoft now says it’s developed the most error-free quantum computing system yet, with Quantinuum. It’s not a thing I can condense into a single paragraph. You… saw Interstellar, right?

Continue reading.

Still not that good, though.

Stability AI just unveiled Stable Audio 2.0, an upgraded version of its music-generation platform. With this system, you can use your own text to create up to three minutes of audio, which is roughly the length of a song. You can hone the results by choosing a genre or even uploading audio to inspire the algo. It’s fun — try it out. Just don’t add vocals, trust me.

Continue reading.

EVs schmee vees.

Apple, hunting for its next iPhone / Apple Watch / Vision Pro (maybe?), might be trying to get into robots. According to Bloomberg’s Mark Gurman, one area the company is exploring is personal robotics — and it started looking at electric vehicles too. The report says Apple has started working on a mobile robot to follow users around their home and has already developed a table-top device that uses a robot to move a screen around.

Continue reading.

Not like this.

TMA
Warner Bros.

Whoa.

Continue reading.

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Total solar eclipse live tracker: Cloud forecasts for cities, states in path of totality - Fox Weather

On April 8th, a total solar eclipse will be visible across parts of Mexico, Canada and the U.S., from Texas to Maine. But of course, Mother Nature needs to cooperate.

Here is a collection of forecast maps and current conditions to track the weather as the solar eclipse moves across the U.S. that afternoon.

Current satellite and radar loop for eclipse path

A satellite and radar loop over the past three hours.
(FOX Weather)


 

Total solar eclipse times of totality:

The time totality starts for various cities along the path of the total solar eclipse.
(FOX Weather)


 

Regional cloud forecast maps

Texas, southern Plains cloud forecast for April 8th during solar eclipse:

Southern Plains regional cloud forecast during total solar eclipse on April 8, 2024. Yellow lines denote outer boundaries of totality.
(FOX Weather)


 

Midwest cloud forecast for April 8th during solar eclipse:

Midwest regional cloud forecast during total solar eclipse on April 8, 2024. Yellow lines denote outer boundaries of totality.
(FOX Weather)


 

Northeast cloud forecast for April 8th during solar eclipse:

Northeast regional cloud forecast during total solar eclipse on April 8, 2024. Yellow lines denote outer boundaries of totality.
(FOX Weather)


 

Texas cities solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN TEXAS

Eagle Pass:

Eagle Pass, Texas, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Austin: 

Austin, Texas, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Dallas-Fort Worth: 

Severe weather threat for April 8th:

The severe storm threat on Monday, April 8, 2024.
(FOX Weather)


 

Cloud forecast for Dallas-Fort Worth:

Dallas, Texas, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Waco: 

Waco, Texas, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Little Rock, Arkansas, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN ARKANSAS

Little Rock, Arkansas, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Cape Girardeau, Missouri, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN MISSOURI 

Cape Girardeau, Missouri, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Carbondale, Illinois, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN ILLINOIS 

Carbondale, Illinois, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Paducah, Kentucky, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN KENTUCKY 

Paducah, Kentucky, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Indianapolis, Indiana, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN INDIANA 

Indianapolis, Indiana, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Ohio cities solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN OHIO 

Columbus:

Columbus, Ohio, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Cleveland:

Cleveland, Ohio, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Erie, Pennsylvania, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN PENNSYLVANIA 

Erie, Pennsylvania, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Buffalo, New York, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN NEW YORK 

Buffalo, New York, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Burlington, Vermont, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN VERMONT 

Burlington, Vermont, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

Caribou, Maine, solar eclipse forecast

EVERYTHING YOU NEED TO KNOW ABOUT THE TOTAL SOLAR ECLIPSE IN MAINE 

Caribou, Maine, area cloud forecast during total solar eclipse on April 8, 2024.
(FOX Weather)


 

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Wednesday, April 3, 2024

Moon standard time: White House instructs NASA to create lunar time zones - Salon

On Tuesday the Biden administration called on NASA to set an internationally useful standard for measuring time on the moon and other celestial bodies — where clocks behave differently than they do on Earth. As reported by Reuters, a memo from the White House Office of Science and Technology Policy (OSTP) directed the agency to work with other federal government bodies to create a plan for what it called a Coordinated Lunar Time (LTC) by the end of 2026. LTC would be the space version of the Earth's time standard of UTC, or Coordinated Universal Time.

The White House orders come as the private-sector space race heats up. And U.S. officials told the outlet that without a way for the increasingly crowded field to synchronize their watches, space-farers risk safety issues — ranging from data-transfer security and communications timing, to actual planetary landing mapping. 

"The same clock that we have on Earth would move at a different rate on the moon," said Kevin Coggins, NASA's space communications and navigation chief, in an interview with Reuters. "Think of the atomic clocks at the U.S. Naval Observatory (in Washington). They're the heartbeat of the nation, synchronizing everything. You're going to want a heartbeat on the moon."

The physics of time measurement in space are odd, but predictable. U.S. officials said that, for a person on the moon, Earth-based clocks appear to lose about 58.7 microseconds per Earth-day, a gap that would widen with other variations — and that atomic clocks on the moon may be needed to set lunar time, just as Earth-based atomic clocks set our planet's tempo. UTC could impact how LTC standards are set, and its development will require international agreements with "existing standards bodies" as well as the 36 countries who have so far joined the Artemis Accords space pact. The next manned mission to the Moon was slated for November 2024, but it was recently delayed until 2025.

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Tuesday, April 2, 2024

Jay Pasachoff, Who Spent a Lifetime Chasing Eclipses, Will Be Missed on April 8 - The New York Times

A total solar eclipse, when the cosmos clicks into place with the worlds aligned like cue balls, may be one of the most profoundly visceral experiences you can have without ingesting anything illegal.

Some people scream, some cry. Eight times, I’ve been through this cycle of light, darkness, death and rebirth, feeling the light melt and seeing the sun’s corona spread its pale feathery wings across the sky. And it never gets old. As you read this article, I will be getting ready to go to Dallas, along with family and old friends, to see my ninth eclipse.

One old friend won’t be there: Jay M. Pasachoff, who was a longtime astronomy professor at Williams College. I’ve stood in the shadow of the moon with him three times: on the island of Java in Indonesia, in Oregon and on a tiny island off Turkey.

I was looking forward to seeing him again next week. But Jay died in late 2022, ending a half-century career as the pushy cosmic evangelist, as responsible as anyone for the sensational circus of science, wonder and tourism that solar eclipses have become.

“We are umbraphiles,” Dr. Pasachoff wrote in The New York Times in 2010. “Having once stood in the umbra, the Moon’s shadow, during a solar eclipse, we are driven to do so again and again, whenever the Moon moves between the Earth and the Sun.”

As an eclipse came around, Jay could be found wearing his lucky orange pants and heading expeditions of colleagues, students (many of whom became professional astronomers and eclipse chasers themselves), tourists and friends to corners of every continent. Many who joined his outings were introduced to the adrenaline-filled chase of a few minutes or seconds of magic while hoping it didn’t rain. He was the one who knew everybody and pulled strings to get his students tickets to the remotest parts of the world, often to jobs operating cameras and other instruments, and inducting them into the scientific enterprise.

“Jay is probably responsible for inspiring more undergrads to go on to careers in astronomy than anyone else ever,” Stuart Vogel, a retired radio astronomer at the University of Maryland, said.

His death ended a remarkable streak of success in pursuing the darkness. He saw 75 eclipses, 36 of which were total. In all, according to the Eclipse Chaser Log, Dr. Pasachoff spent over one hour, 28 minutes and 36 seconds (he was a stickler for details) in the shadow of the moon.

“He was larger than life,” said Scott McIntosh, deputy director of the National Center for Atmospheric Research, who said that one of Dr. Pasachoff’s eclipse expedition hats was hanging on the wall of his office in Boulder, Colo.

As the world prepares for the last total eclipse to touch the lower 48 states in the next 20 years, it seems strange not to have him on the scene. And I’m not the only one to miss him.

“He was probably the single most influential figure in my professional life, and I feel his absence acutely,” Dan Seaton, a solar physicist at the Southwest Research Institute in Boulder, said.

Dr. Pasachoff was a 16-year-old freshman at Harvard in 1959 when he saw his first eclipse, off the shore of New England in a DC-3 chartered by his mentor, the Harvard professor Donald Menzel. He was hooked.

After a Ph.D. from Harvard, Dr. Pasachoff eventually joined Williams College in 1972 and immediately began recruiting eclipse chasers.

Daniel Stinebring, now an emeritus professor at Oberlin College, was a freshman when he was recruited for an eclipse expedition on the shore of Prince Edward Island.

The eclipse day dawned cloudy. Dr. Pasachoff, channeling his old mentor, Dr. Menzel, hired a pilot and a small plane. He sent his young student to the airport with a fancy Nikon camera and told him to photograph the eclipse while hanging out of an open airplane door.

“I had this unobstructed view of the eclipse. And, you know, here I was, the only person from Williams who got to see the eclipse,” Dr. Stinebring recalled.

A year later in 1973, the young Mr. Stinebring found himself on the shores of Lake Turkana in Kenya with Dr. Pasachoff and teams from 14 other universities waiting for the longest eclipse of the century, some seven minutes of totality. The moment was life-altering, he said.

“It just made me feel like, if this is what astronomers do for a living, I’m there,” he said.

Dr. Pasachoff, his old students said, went out of his way to inform the local people, to not be afraid of the eclipse and how to watch it safely.

Dr. Pasachoff prided himself on his preparation, lining up local scientific support and other connections, equipment, lodging and other logistics years in advance of the actual eclipse.

“Jay always had a Plan B,” said Dennis di Cicco, a longtime editor at the magazine Sky & Telescope.

In 1983, Dr. Pasachoff arrived in Indonesia for an eclipse expedition sponsored by the National Science Foundation. He discovered that the digital tape recorder on which all his data would be stored was broken.

Dr. Pasachoff called his wife, Naomi, a science historian also at Williams College who was back home in Massachusetts, who has seen 48 eclipses. She tried to order a new tape recorder only to be told that the official paperwork needed to ship the device to Java would take several days. Mr. di Cicco was pressed into service. Within 24 hours, he had renewed his passport, picked up the tape recorder and boarded a flight to Indonesia. Mr. di Cicco arrived just one day before the eclipse.

Dr. Pasachoff paid for the $4,000 round-trip ticket. A Lufthansa clerk told Mr. di Cicco that it was the most expensive coach ticket she had ever seen.

Solar eclipses are now big business and less in need of an evangelist, said Kevin Reardon, a Williams alumnus and now a scientist with the National Solar Observatory and the University of Colorado Boulder, in an interview. “Now, everyone knows eclipses are great.”

Even with powerful new solar observatories and dedicated spacecraft watching the sun, there is still science to be done during eclipses on the ground, like observing the corona, which continued to animate Jay.

Dr. Pasachoff prided himself on hardly ever missing an eclipse, and he credited luck with the weather for having never been clouded out. He always managed to secure the best sites, and Mazatlán in Mexico seemed most promising for 2024.

But he sent me an email in 2021 saying that a lung cancer had spread to his brain, and he offered material for an obituary.

Still, he wrote, “I have not given up the idea of going to the Dec. 4 Antarctic eclipse, for which I have three research lines.” He did go and sent back eerie photos of the ghost sun over an icy horizon, his last excursion into the darkness. Even so, he kept planning for the next eclipses.

“You know, there’s an eclipse, and then the next one, and then the next,” Dr. Reardon said. “He wanted to see every eclipse and did not want to think that there will be a last one.”

It will be lonely in the shadows on April 8.

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Monday, April 1, 2024

SpaceX launches Eutelsat 36D, lands booster on seventh reuse anniversary - SpaceNews

TAMPA, Fla. — SpaceX launched Eutelsat’s latest geostationary satellite March 30 on a trip due to take around half a year to a geostationary orbit slot over Africa and Eurasia. 

A Falcon 9 rocket carrying the roughly 5,000-kilogram Eutelsat 36D lifted off 5:52 p.m. Eastern from Launch Complex 39A at Kennedy Space Center, Florida, and placed the satellite into a geostationary transfer orbit 34 minutes later.

Eutelsat 36D is based on the all-electric Airbus Eurostar Neo platform and equipped with 70 physical Ku-band transponders for providing TV and government connectivity services from 36 degrees East. The satellite has a steerable antenna and is set to replace French fleet operator Eutelsat’s aging Eutelsat 36B satellite.

Eva Berneke, Eutelsat’s CEO, said Eutelsat 36D is on track to start commercial services in the second half of 2024, after reaching position and completing health checks.

The satellite would be co-located with Ekspress-AMU1, also known as Eutelsat 36C, which Russia’s RSCC operates. Ekspress-AMU1 is one of the satellites Eutelsat leases capacity from to have been caught up in sanctions amid Russia’s war in Ukraine.

Reuse anniversary

The rocket’s first stage landed as planned on a droneship in the Atlantic Ocean post-launch, marking the 273rd time SpaceX has returned a Falcon 9 booster for reuse.

SpaceX launched its first reused Falcon 9 booster for a customer seven years earlier in a mission for SES of Luxembourg March 30, 2017.

The Eutelsat 36D launch also marked SpaceX’s 30th mission this year.

But less than four hours later, SpaceX launched a batch of satellites for its Starlink low Earth orbit (LEO) broadband constellation from a nearby pad at the Cape. 

SpaceX had planned to launch another set of Starlink satellites March 30 from Vandenberg, California, but scrubbed this mission because of poor weather.

Alongside 35 geostationary satellites, Eutelsat operates a network of more than 600 LEO satellites after buying OneWeb last year.

The company expects to have completed 90% of the ground network OneWeb needs for full global services by the end of June.

According to Eutelsat, multi-orbit capabilities will give it an edge over Starlink and other single-orbit constellations by offering enterprise and government customers extra network redundancy and flexibility. 

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Total solar eclipse to sweep across Mexico, the US and Canada - The Guardian

A total solar eclipse will sweep across the Pacific Ocean, through Mexico, the US and Canada and end over the Atlantic Ocean on 8 April.

The phenomenon occurs when the moon passes directly in front of the sun, blocking out the bright surface and revealing the ghostly traces of the sun’s atmosphere.

The alignment has to be precise, and this gives rise to a narrow track of totality from which the total eclipse can be seen.

This month the track will be roughly 71 miles (115km) across. Outside the track, a partial eclipse can be seen but the further from the track of totality, the smaller the portion of the sun that will be obscured.

Observers on the western coasts of Ireland and Scotland will be able to glimpse the partial solar eclipse, as the sun is setting that evening.

The total eclipse will be visible in Mexico between 10.51 MDT and 12.32 CST; in the US between 13.27 CDT and 15.35 EDT; and in Canada between 15.12 EDT and 17.16 NDT.

Searching online for “eclipse track 8 April 2024” will bring up maps and information.

The next solar eclipse visible from London will be a partial eclipse on 29 March 2025.

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