Does a straw have 2 holes topology? The mathematically correct answer is1 hole. A straw is topologically the product of a circle, which has 1 hole, and an interval, which has 0 holes. So the straw has 1 hole. ... Intuitively, we can agree a circle has 1 hole–the simple closed cu...
In general, coal is thought to have a ' dual porosity system: large fractures and smaller pores. The pores themselves are classed into three size classes: macro-, meso- and micropores representing diameters >50 nm, 2-50 nm and <2 nm, respectively. Methane will move through the coal, ...
Although most bodies are discovered long before dust has returned to dust, enough time -- anywhere, say, from a few days to many years -- has often passed that it's impossible to visually determine the identity of a body found under mysterious circumstances. Skin, muscle and other tissue ...
After that, investment in solar car technology more or less went dark, at least as a mainstream pursuit. On the upside, though, many automakers have shifted development resources toward making hybrid and plug-in hybrid cars more practical, efficient and affordable than ever. This, in turn, ...
How does the bookHolesend? Holes: Holesis a book by Louis Sachar. It was adapted into a film version in 2003, starring Sigourney Weaver as the evil Warden and Shia LaBeouf as Stanley Yelnats. The book has been extremely influential in the world of children's literature, as it deals with...
I did the world's first brain surgery in a bear, in the rainforest, using a mattress pump in an emergency to complete the operation. I've anesthetized hundreds of seals, many of which have tried to commit suicide under anesthesia.
If possible, choose specimens with straight, tapering trunks, or for a more unique look, the beginnings of an interesting bend or knot that can be used in your design. Remove any dead leaves or needles to really inspect your potential choices. Many of the branches will have to be cut to...
Cephalopods are marine animals characterized by bilateral body symmetry, a prominent head and a set of arms or tentacles. Learn More: The Vampire Squid Doesn't Drink Blood and Isn't a Squid 4. True or false: "Pokémon" was the first anime show. False. Many critics and pop culture ...
If your lawn or flower bed has many holes, you may have a skunk problem. Skunks dig up the turf, looking for grubs. They move around at night and dig in grassy areas, making distinct 3—to 4-inch deep holes. Skunk activity increases in the spring and then lessens naturally, so any ...
Amanda:Just speak to people, find out where it’s happening in your area or people who have experience that might be within your network already, and ask as many questions as you can. People are always so helpful and you can get amazing insights from people that you’ve just had a phon...