IEEE Spectrum on MSN

See the sky like never before with a DIY eyepiece

So I decided to build a low-cost DIY amplifying eyepiece, to make it easier for visitors to observe deep-sky objects but ...
CNET

2025's Best Home Security Cameras That Don't Require Subscriptions

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. This past year, I've tested many ...