Photo: Yo-yo tricks—physics in action! Photo by Michael Bowman courtesy of US Air Force and DVIDS.Sponsored linksContents What makes yo-yos go up and down? Why does a spinning yo-yo feel weird in your hand? How does a clutch yo-yo work? Who invented yo-yos? Find out more...
In 1746, Benjamin Robins, an English mathematician and scientist, attached a horizontal arm to a vertical pole, which he rotated, sending the arm spinning in a circle. At the end of the arm, he affixed a variety of objects and subjected them to the forces of his homemade centrifuge. ...
However, this convention does not mean to suggest that force can only change the energy barrier level but not the energy well level in a real protein complex structure; to the contrary, both are possible70. Full size image Besides binding properties of the TCR–pMHC complex, its structural ...
Artwork: How energy and forces change during a rollercoaster ride. To learn more about centripetal force—the force that makes things go around in a circle—please take a look at our article on centrifuges.Why are rollercoasters so high? To make a rollercoaster fast, you need to make it ...
(j) How is the design of a centrifuge affected by its purpose? (k) How common and costly are the Explain why the wheel is such an important invention. What factors does the deflection of a galvanometer depend? How does a galvanometer detect electric current? What is hysteresis? ...
Industrial centrifuge Ultrafiltration membrane Siphon Salt or a polymer plus acid Skimmer TL;DR (Too Long; Didn't Read) Decide if water is on your side or not. This depends on the types of processes you are attempting to carry out. If you want to clean waste water and make it usable ag...
The effect of the nature of the tube was studied at 0.1 g L−1of proteins. The volume of liquid corresponds usually to 60% of the total volume of the tube. Four materials were tested: polypropylene (PP) (15 mL centrifuge tubes, FISHERBRAND), glass (PYREX), TEFLON (THERMOFISHER SCIENTI...
“Novelty that works.” I think that’s a great starting point. What if we run that definition past a creative type —Michael Bierutfor instance. Bierut is a world-renowned, much-awarded graphic designer: you’ve seen his logos; his work is in museums. How does he like defining creativit...
A lot of those changes have been caused by tech. Like I say, we in many ways are the dog that caught the bus in this industry, which is we did cause some of these changes to happen. So those changes, the system has to work through those changes. Does the system ever stabil...
Cells were grown in a liquid medium up to the cell density of 1.0 optical units (by absorption at 600 nm), and then precipitated on a centrifuge at 6000 g, and washed twice with a solution of 20 mM Tris-HCl (pH 7.5). The initial cell solution was diluted with a buffer of the ...