What’s trending in tech on socials this week

Click here to check out Seoul’s new ‘hologram’ officer in action. Image Source: Vice
Walking the Beat: Police in South Korea have rolled out a life-sized “hologram” officer in downtown Seoul to keep crime in check.
Phantom of the Ocean: Japanese scientists have created a new kind of plastic that dissolves in seawater within hours. A sped-up video of the process has Redditors guessing where the plastic goes.
Lights Out: A Reddit user tried recording a concert on their phone camera, which ended up getting completely totaled by the laser lights. A video of the incident unfolding in real time is doing numbers on Reddit.
Fatal Findings: In 2012, scientists deliberately ran a Boeing 747 into the ground in order to test which seats in a plane are safest during a crash. Footage of the test shows it’s definitely “not the cockpit”.
Lego Loop: Two years ago, YouTuber JK Brickworks used Lego blocks to create an endless domino loop. The video has recently gone viral on social media.