Jelle Seegers uses giant magnifying glass to melt metal

As part of the Design Academy Eindhoven student show at Dutch Design Week, graduate Jelle Seegers has presented a smelting machine with an oversized magnifying glass that focuses the sun's heat to melt metal more sustainably.

DAMN Magazine - Solar Metal Smelter

Fresnel Lens melting GRANITE 2300˚ Fahrenheit make Obsidian FRESNEL LENS

metal Archives - Zarkon Group Real Estate Builders & Developers

metal Archives - Zarkon Group Real Estate Builders & Developers

Jelle Seegers - Winner Kazerne Design Award 2023

Solar

Melting a Penny with a Fresnel Lens in under 3 seconds Sun Solar

dae.wiki

A Fresnel lens

Jem Melts Rock Using Sunshine - Bang Goes The Theory - Series 3, Episode 5 Preview - BBC One

Tetris “Rolling”, the Solar Metal Smelter, and Goalkeeping Robot Dogs, by Clive Thompson