Video tour – via satellite – of the Amazon River meandering through the Amazon rainforest in South America. Source: https://earthsky.org/todays-image/amazon-river-satellite-image…
Tag: cyan
The 8-year cycle and 5 petals of Venus
A word about the 8-year cycle of Venus in our sky and about the “pentagram” of Venus, a highly noticeable rhythm in the motion of Venus as viewed from an Earth-centered perspective. Source: https://earthsky.org/astronomy-essentials/five-petals-of-venus…
Printing’s Not Dead: The $35 Billion Fight Over Ink Cartridges
America’s onetime innovation icons are wrestling over their biggest remaining piles of money. From a report: The HP 63 Tri-color ink cartridge retails for $28.99 at Staples. Stuffed with foam sponges drenched in a fraction of an ounce of cyan, magenta, and yellow dyes, this bestseller, model No. F6U61AN#140, can spray 36,000 drops per second in the Envy printers made by…
Which spiral arm of the Milky Way contains our sun?
We live in a seemingly nondescript neighborhood in the Milky Way galaxy, in a small spiral arm called the Orion Arm. Source: https://earthsky.org/space/does-our-sun-reside-in-a-spiral-arm-of-the-milky-way-galaxy…
The BBC’s 1992 TV Show About VR, 3D TVs With Glasses, and Holographic 3D Screens
dryriver writes: 27 years ago, the BBC’s “Tomorrow’s World” show broadcasted this little gem of a program [currently available on YouTube]. After showing old Red-Cyan Anaglyph movies, Victorian Stereoscopes, lenticular-printed holograms and a monochrome laser hologram projected into a sheet of glass, the presenter shows off a stereoscopic 3D CRT computer display with active shutter glasses. The program then takes us…