Why do we need a ULN2003 in driving a stepper motor? Known for its high current and high voltage capacity, the ULN2003 gives a higher current gain than a single transistor and enables the low voltage and low current output…
Do shoes stretch out in width? Shoes will typically stretch all on their own as you wear them. Leather shoes, whether it be men’s dress shoes or women’s heels, will fit over time. But if they are too tight and…
What is the phase shift of a reflected wave? When a wave reflects off of a medium with a higher index of refraction, the reflected wave has a π phase shift (is inverted) relative to the incident wave. When a…
Are there dislike bots on YouTube? Yes. Every person who clicks “Dislike” on the video URL you provide will be an actual person, not a bot / fake user. How do I make YouTube dislikes visible? YouTube no longer allows…
How do you use the portal gun in Portal? The Portal Gun is a Hardmode, post-Moon Lord tool which is always dropped by the Moon Lord. It launches projectiles capable of creating up to two portals (one fired by hitting…
How do I download a SID file? To download and view digital images in SID format: Download MrSID Viewer 2.0 from the Library of Congress (available above). Click on the “Download MrSID image” link at the bottom of the display…
What is the difference between Neapolitan and Margherita pizza? What is the difference between Neapolitan and Margherita pizza? Neapolitan pizza can have a wide variety of toppings and variations. Of these, Pizza Margherita is by far the most well known….
Where do photochemical reactions occur in plants? In grana or stroma lamellae have stacks of thylakoid where the photosynthetic pigments are located and this photochemical reaction takes place. What is photochemical in plants? Plant photochemistry is a highly regulated process,…
What is the difference between magnetic and electronic ballast? Magnetic ballasts work at a frequency of around 60 Hz, whereas electronic ballasts work at an increased frequency of around 20,000 Hz. This is why fluorescent lamps using electronic ballasts do…
What Is a Number 10 wax ring? Harvey™ No-Seep® No. 10 Extra Thick Wax Ring with Alignment Flange is designed with 40% more wax for problem floor outlet toilet bowl areas that need extra thick wax. How do you know…