Excitons, or particle pairs made of an electron bound to an electron hole, can form when some semiconductors absorb light. Exciton states unique to tungsten disulfide (WS2) crystals in two dimensions cannot be found in other materials. However, these states last only a short time and can change very quickly. A novel method for creating…
Chelsea’s transfer strategy has changed as a result of Mauricio Pochettino’s willingness to make Kepa Arrizabalaga his primary goalkeeper for the upcoming season. Although the new Blues manager won’t officially take over until July, he has made it abundantly clear that he admires the Spain goalkeeper, who is 28 years old and enjoyed a resurgence…
Search has always been the most essential feature of the Internet. There were numerous competitors for the search throne prior to Google’s dominance, including Altavista, Lycos, Excite, Zap, Yahoo (primarily as a directory), and even Ask Jeeves. The thought behind the Internet is that there’s power in having an almost endless number of voices. However,…
A replay of our live coverage of the countdown and launch of a SpaceX Falcon 9 rocket carrying PSN’s SATRIA communications satellite from Space Launch Complex 40 at Cape Canaveral Space Force Station, Florida, can be found below. We are on Twitter. A European-built communications satellite was the centerpiece of a nearly $550 million project…
The Department of Health and Human Services in Iowa announced on Friday that a senior citizen from Plymouth County, aged 61 to 80, had the first case of West Nile virus this year. At the State Hygienic Lab, a test confirmed the case. Iowans are spending more time outside due to the warm summer weather,…