Hydroponics 101: Methods & Concepts
I have always been fascinated with hydroponics; from when it was something you saw primarily in science fiction and space exploration research, up until you could buy pre-made kits for your tabletop or backyard...
Category: Science
Building a Simple Induction Heater
I’ve had a cheap induction heater kit sitting around for ages; one of those “Hey, I have $10 I’m not using” impulse purchases. What I don’t have is a variable DC power supply but...
Scientists Uncover Lightning Inside Volcano
(LiveScience) For the first time, scientists have been able to “see†and trace lightning inside a plume of ash spewing from an actively erupting volcano. When Alaska’s Mount Redoubt volcano began rumbling back to...
Schizophrenics see through hollow-mask illusion
(New Scientist) Telling the front from the back of a mask can be more difficult than it seems. Thanks to an effect called the hollow-mask illusion, the brain can have trouble deciding if the...
Atmospheric homes of elves and sprites revealed
(New Scientist) A three-year space survey has produced the first detailed global guide to the location of elves, sprites, halos and jets. These are “transient luminous events” – brief flashes of light –in the...
