This winter, I set out to create another optical effect: a lit candle that brightens as the eyes adjust to the dark. The effect– a demonstration comparing our two types of vision rather than a true illusion–works because our night vision sees color differently, allowing a camouflaged flame to emerge Continue reading →
To get close enough to a wild scorpion to take its photo is scary: the Arizona bark scorpion isn’t deadly, but it’s the most venomous scorpion in the United States, with a sting that causes severe pain.
It’s more terrifying for the scorpion, I’m guessing. It’s Halloween weekend in Phoenix, and I’m less than an inch away from its body, a 4x micro lens on my camera phone in one hand and a Scorpion Master black light flashlight in the other. I don’t kick or turn over any rocks, and I periodically sweep the light around my feet. Continue reading →