• Mar 23, 2026 choosing and using a schmidt cassegrain telescope s include collimation issues, dew formation on optics, and difficulty with focusing. Regular collimation checks, using dew shields or heaters, and practicing precise focusing techniques can mitigate thes By Jay Stokes-Paucek
• Apr 25, 2026 choosing and using a refracting telescope ctive lens, is mounted at the front of the telescope, while an eyepiece lens at the back magnifies the image for viewing. The design is straightforward and has been used since the early days of astronomy, making it one of the most recognizable types of te By Andres Lebsack
• Jan 7, 2026 art of choosing by sheena iyengar fects: How choices are described (e.g., emphasizing benefits vs. highlighting risks) impacts decision outcomes. By understanding choice architecture, organizations and individuals can design environments that guide better decisions without restricti By Darrick Heathcote
