A periscope is an device for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position. [1][2] In its simplest …

periscope, optical instrument used in land and sea warfare, submarine navigation, and elsewhere to enable an observer to see his surroundings while remaining under cover, behind armour, or submerged.

Periscope is a social network that allows users to broadcast and consume live-streamed video content. On March 31st, 2021, Periscope was shut down because the cost of maintaining and expanding the …

Periscope is grateful to you for going LIVE together and being part of this community. Past public broadcasts will continue to be available on Periscope web. Learn more. Keep the conversation …

A periscope is a simple optical tool that lets you see over walls or around corners. It uses two mirrors or prisms placed at an angle to reflect light from the object to your eyes.

Sep 17, 2025 · Twitter shuttered Periscope in 2021, and the parent company, now called X and owned by Elon Musk, gravitated to a live events product called Spaces. Meanwhile, Beykpour, who spent …

Curious about what people are broadcasting around the world? The map, accessible when you click on the globe icon, allows you to access live and replay broadcasts from around the world. When you …

Periscope was a live‑video streaming app, launched by Twitter in March 2015. It let you broadcast real-time video from your phone (or tablet) and chat with viewers through comments and “hearts” — kind …

Periscope is a live-streaming service similar to the likes of Justin.tv (and its Twitch.tv successor) which has been around since March 26th, 2015, with a strong focus on mobile devices.

Jun 9, 2025 · A periscope is an optical instrument that enables viewing over, around, or through obstacles when a direct line of sight is not possible. It reflects light using angled mirrors or prisms, …