"Danger! High Voltage. Do Not Touch. Death or Serious Injury May Occur," reads the yellow sticker on the side of this 1.25 Kilojoule DIY coilgun. Watching this video of it in action, that sounds about right:
Well this is something pretty incredible. SLAP widgets—peripherals that bring physical controls to multitouch surfaces—have evolved to the point where they can move themselves. What's that? Oh, just watch the madgets in action. It's something special.
LOFAR, a network of 44 stations of antennae spread across Europe, is only half complete, yet it's already giving researchers unparalleled images of distant black holes. Soon it'll be used by SETI to search for aliens on rarely-explored superlow frequencies.