Articles with 200-400 Words

Despite technological advances, modern concrete structures start to crumble in just 50 years if not maintained. This contrasts sharply with Italian monuments that remain standing after over 2,000 years. Now, an international research team has finally uncovered how Roman concrete wonders continue to survive to this day....

Researchers at the Massachusetts Institute of Technology (MIT) recently unveiled a paper-thin solar cell that could turn any surface into a power source. The device is thinner than a single strand of human hair. It weighs about 100 times less than standard solar cells....

Starting January 12, 2023, stargazers will get a once-in-a-lifetime chance to see a rare comet with a greenish hue. Astronomers discovered Comet C/2022 E3 (ZTF) in March 2022 when it was inside Jupiter's orbit. NASA scientists believe this may be the comet's first sighting. If the icy body did pass our planet previously, it was probably thousands of years ago....

An auction of hundreds of artifacts from the California Gold Rush era fetched almost $1 million on December 3, 2022. The sale, held in Reno, Nevada, and online, was organized by Holabird Western Americana Collections (HWAC). It featured perfectly-preserved items from the sunken wreckage of the S.S. Central America, also known as the "Ship of Gold."...