holograms – The Loh Down On Science

Holographic Sweets

May 14, 2021 Xinyu Li

The words "Edible" and "Nano" written using edible holographic material

As Willie Wonka says: come taste the…holographic rainbow? This is Sandra Tsing Loh with the Loh Down on Science. Shining, shimmering, splendid – holograms! Their rainbow colors show up on credit cards, stickers, even currencies. Holograms are so fun – if only we could use them on food! But inks

Human or Hologram?

August 13, 2018 Jessie Yaros

Help Me, Obi-Wan Kenobi — you’re my only hope! This is Sandra Tsing Loh with the Loh Down on Science. In Sci-fi films, communicating via 3-D holograms is all the rage. Here on earth, our two dimensional video conference calls? Not nearly as exciting. No longer, says Roel Vertegaal of