The photoelectric effect, first explained by Albert Einstein in 1905, laid the foundation for quantum mechanics. It occurs when high-energy light strikes atoms, releasing electrons. This phenomenon is ...

Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, 199 Ren’ai Road, Suzhou, Jiangsu 215123, China Institute ...

Donald and Melania Trump arrive at the White House ahead of the inauguration ceremony on Monday in Washington, D.C. (Andrew Harnik/Getty Images) Donald Trump was sworn in as the 47th president of ...

The Dell XPS 13 with Snapdragon X Elite power is now just under $1,000 — it's the lowest price I've seen for this Copilot+ PC. Right now, that Dell XPS 13 is $500 off at Best Buy, meaning you ...

UPS pickup and delivery services are not available on Monday, Jan. 20, and UPS Store locations may be closed, according to the company's website. Customers should check with their loca l stores ...

As that momentum builds, the analysts upgraded UPS UPS to a buy rating from their version of a hold — as cost cuts, dynamic pricing and other possible rate increases aid its bottom line ...

UPS recently ended a contract with the United States Postal Service and delivery changes are coming to some post office box users as a result. Now, UPS SurePost Packages will be delivered ...

The United States Postal Service (USPS) has ended its partnership with UPS SurePost as the contract between the two entities expired this year. This means USPS workers will no longer deliver UPS ...

Hefei National Research Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China ...

U.S. Postal Service (USPS) workers will no longer deliver UPS SurePost packages after the government agency's contract with the parcel service expired this year. The International Brotherhood of ...