Top Network Posts

• 152 Why do spaceships heat up when entering earth but not when exiting?
• 71 Why does the humidifier make a stove's flame orange?
• 70 Why can we distinguish different pitches in a chord but not different hues of light?
• 57 Emissitivity of copper - Why are copper heatsinks all shiny?
• 41 Why do we use capacitors and not batteries in defibrillator?
• 37 Simple check for the global shape of the Earth
• 37 Why does an egg boiler require more water to cook fewer eggs?
• View more network posts →