lighting Projection artists recreated the world's oldest sundial on the winter solstice Thom Dunn

art Immersive computer-controlled spotlight array installation Andrea James

video "Glitchy" skyscraper debuts with spectacular light show Andrea James

halloween Incredible Halloween light and drone-art show pulls in Metallica, Ghostbusters, and Stranger Things Rusty Blazenhoff

halloween This at-home haunted light show gives a whole new meaning to Nirvana's 'Smells like Teen Spirit' Carla Sinclair

Space Breathtaking images of auroras over Earth David Pescovitz

Boing Boing Gadgets This bioluminescent orb glows every night – and will keep you utterly transfixed Boing Boing's Shop

art Amazing projection mapped lightshow on laser-cut wood Andrea James

halloween Epic Halloween light and music show is a Michael Jackson tribute Rusty Blazenhoff

happy mutants Kickstarting the Makerphone: an open-source hardware phone kit, programmable with python and Scratch Cory Doctorow

Kids Watch the huge drone lightshow that just broke the world record Andrea James

art Projection-mapped light-show on the Sydney Opera House Cory Doctorow

art Behold this beautiful interactive lighted greenhouse Andrea James

video Watch a car crash spark a spectacular electrical fire Andrea James

video The Infinity Wall: projection mapped illusion in the desert night Andrea James

offworld A trippy program that makes you the DJ of your own art Laura Hudson

Entertainment Pop and politics collide at Europe's awesomely trashy song contest Leigh Alexander