Incandescent bulbs are much less efficient than most other types of electric lighting; incandescent bulbs convert less than 5% of the energy they use into visible light, with standard light bulbs averaging about 2.2%. The remaining energy is converted into heat. The luminous efficacy of a typical incandescent bulb is 16 lumens per watt, compared with 60 lm/W for a compact fluorescent bulb or 150 lm/W for some white LED lamps. Some applications of the incandescent bulb deliberately use the heat generated by the filament.
As part of his presentation of the full slate for Phase 3 of the Marvel Cinematic Universe, Marvel Studios President Kevin Feige has announced that Chadwick Boseman will bring the Black Panther to life beginning with his role in Marvelâs âCaptain America: Civil War,â in theaters May 6, 2016, before starring in his own solo film, Marvelâs âBlack ...
To be sure, the release of Black Panther is a cultural coming-out event, a moment of Afrocentric pride projected onto a backdrop of racial and political ennui. Set to open in the middle of 2018âs Black History Month, the movie is a perfectly timed rebuke to President Donald Trumpâs depiction of African nations as âshithole countries.â Black Pantherâs story is set in Wakanda, a fictitious African nation in the Marvel comic book world thatâs the most technologically advanced nation on Earth.