Many residents were quick to assume it was a meteorite, but scientists in Mexico have offered a more specific explanation: the bright light in the sky was a bolide. April Will Have 2 Meteor ...

the light's probably not so strong. View this post on Instagram Distinguishing low, medium, and bright light can be trickier. Instead of puzzling over whether your window is medium in the morning ...

There may be nothing new under the sun when it comes to etching PCBs with UV light, but [Heliosoph] has ... but the lamp is so powerful that even one minute of exposure was too much.