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This is a record of material that was recently featured on the Main Page as part of Did you know (DYK). Recently created new articles, greatly expanded former stub articles and recently promoted good articles are eligible; you can submit them for consideration.
Thin-film solar cells, a second generation of photovoltaic (PV) solar cells: Top: thin-film silicon laminates being installed onto a roof. Middle: CIGS solar cell on a flexible plastic backing and rigid CdTe panels mounted on a supporting structure Bottom: thin-film laminates on rooftops Thin-film solar cells are a type of solar cell made by depositing one or more thin layers (thin films or ...
Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its first flight on 19 April 2021, demonstrating that flight is possible in the extremely thin atmosphere of Mars, and becoming the first aircraft to conduct a powered and controlled extra-terrestrial flight.
Trinidad and Tobago, [a] officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean.Comprising the main islands of Trinidad and Tobago, along with numerous smaller islands, it is located 11 kilometres (6 nautical miles) northeast off the coast of Venezuela, 130 kilometres (70 nautical miles) south of Grenada, and west of Barbados.
Type: Smartwatch: Release date: 1st generation: April 24, 2015; 9 years ago () Series 1 and Series 2: September 16, 2016; 8 years ago () Series 3: September 22, 2017; 7 years ago ()
Tyler Hoechlin as Kal-El / Clark Kent / Superman: a superhero from Krypton and husband of Lois who defends Earth. [2] Dylan Kingwell portrays a teenage Clark in season one, Josh Zaharia portrays a teenage Clark in season two, Lennix James portrays a four-year-old Clark, Thomas Hoeving portrays Clark in his childhood, and Parker Cousineau portrays Clark in grade school.