Human or Hologram?

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

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Bubble Trouble

Am I tipsy, or are my beer bubbles….sinking?! This is Sandra Tsing Loh with the Loh Down on Science. Fans of the Irish stout, Guinness, are perplexed. The bubbles in their pints seem to…. sink! William Lee, a mathematician at the University of Portsmouth has BURST this case wide open!

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