Can a small capacitor kill?

Can a small capacitor kill? Obviously the larger the capacitor, the higher the voltage, the greater the risk of a lethal shock becomes. A really small capacitor charged to a high voltage will not kill you, for example a 100pF capacitor charged to 10kV will only give you a mild static shock. Is a 1000uF […]

Which achievement is credited to Aristotle?

Which achievement is credited to Aristotle? Aristotle was one of the greatest philosophers who ever lived and the first genuine scientist in history. He made pioneering contributions to all fields of philosophy and science, he invented the field of formal logic, and he identified the various scientific disciplines and explored their relationships to each other. […]

Is the aurora borealis dangerous?

Is the aurora borealis dangerous? The Northern Lights occur so high up in the atmosphere that they don’t pose any threat to people watching them from the ground. The aurora itself is not harmful to humans but the electrically charged particles produced could have some potentially negative effects to infrastructure and technology. Is 2020 a […]

What are three signs of substance use?

What are three signs of substance use? Criteria for Substance Use Disorders Taking the substance in larger amounts or for longer than you’re meant to. Wanting to cut down or stop using the substance but not managing to. Spending a lot of time getting, using, or recovering from use of the substance. Cravings and urges […]

How much heat can a resistor take?

How much heat can a resistor take? The resistor is dissipating 400 mW, so its temperature rise will be about (400 mW)(200 °C/W) = 80 °C. If it’s on a open board on your desk, you can probably figure 25 °C maximum ambient, so the resistor could get to 105 °C. Note that’s hot enough […]

Do windmills kill bats?

Do windmills kill bats? Dead bats are found beneath wind turbines all over the world. It’s estimated that tens to hundreds of thousands die at wind turbines each year in North America alone. These bats migrate and mate primarily during late summer and early autumn, which is also when the vast majority of bat fatalities […]

What is SFX and VFX?

What is SFX and VFX? Special Effects (often abbreviated to SFX) refers to on-set visual effects techniques; you could also call them ‘practical effects’. VFX is an abbreviation of Video Effects. Video Effects enabled filmmakers to achieve the same effects as on-set SFX during post-production. What movie has the best special effects? Special effects in […]

Can scanning electron microscopes see DNA?

Can scanning electron microscopes see DNA? Now an electron microscope has captured the famous Watson-Crick double helix in all its glory, by imaging threads of DNA resting on a silicon bed of nails. The technique will let researchers see how proteins, RNA and other biomolecules interact with DNA. Can cilia be seen with a light […]

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