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A key fusion puzzle just snapped into place after decades of debate
For seventy years, one stubborn physics problem has stood between fusion’s promise and practical reactors. That puzzle, how ...
The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the ...
The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.
The United States Postal Service has changed the postmark process going into 2026, which potentially could add late fees and penalties to parcels.
The U.S. Postal Service is changing the postmark process. For decades, the postmark used to show when mail was accepted by ...
Changes by the United States Postal Services on how postmarks will be done could cause issues for some people in the coming year.
New rule postmark will reflect the date an envelope is first processed by a USPS sorting machine, not the date the mail was ...
What is new at the post office in 2026? Here's what to know about Postal Service changes in postmark process, postage stamps ...
Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. One of the most difficult problems encountered in the envelope manufacturing process was that of drying the gummed ...
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