Who mathematically proved black holes? British mathematical physicist Roger Penrose, 89, receives half the prize for theoretical work that showed how Albert Einstein’s general theory of relativity should result in black holes, which have a gravitational pull so strong that even light cannot escape. Why are Roger Penrose Reinhard Genzel Read more…
Are reflecting telescopes expensive? Optical quality of reflectors In fact, such a mirror is relatively expensive and telescopes manufacturers choose rather a parabolic mirror instead, far simpler to build. However, a parabolic mirror is facing a defect: the coma aberration which deforms and elongates the star around the fields of Read more…
What is the law theory of thermodynamics? Image credit: GoodIll | Shutterstock) The First Law of Thermodynamics states that heat is a form of energy, and thermodynamic processes are therefore subject to the principle of conservation of energy. This means that heat energy cannot be created or destroyed. What does Read more…
Is a 10 minute mile good for a woman? A 9-minute mile for a man and 10:30 for a woman are signs of moderate fitness; men who can’t run better than a 10-minute mile, and women slower than 12 minutes, fall into the low-fitness category. Over all, he said, a Read more…
What are some good quotes about nature? 101 Nature Quotes In nature, nothing is perfect and everything is perfect. Forget not that the earth delights to feel your bare feet and the winds long to play with your hair. — Look deep into nature, and then you will understand everything Read more…
What do you do with Epoisses cheese? Older cheeses are best served by cutting into the top and serving the creamy interior on a slice of baguette or raisin-nut bread. Either way, Époisses is a delicious treat for cheese lovers. Do you heat Epoisses cheese? Place the Epoisses on baking Read more…
What level is Lacrimosa? Intermediate Level 626 – Lacrimosa (Intermediate Level, Solo Piano) (Mozart) Is Lacrimosa a classical song? Mozart’s Requiem is one of the most famous choral works in the classical repertoire. The mournful ‘Lacrimosa’ is a highlight, but how much of it did Mozart actually write? We all Read more…
Can you know if your dog is pregnant in 45 days? Blood test: Relaxin, a pregnancy hormone, may be detectable in the blood after day 30. X-ray: At 45 days of pregnancy, X-rays can be used to detect pregnancy and estimate litter size. How early can a dog show signs Read more…
Has Italy ever won a penalty shootout? This is a list of all penalty shoot-outs that have occurred in the Finals tournament of the FIFA World Cup….Penalty shoot-outs. Winner Argentina Loser Italy Winning team GK Goycochea Takers Serrizuela Burruchaga Olarticoechea Maradona Losing team Takers Baresi R. Baggio De Agostini Donadoni Read more…
What does pedigree mean in biology? A pedigree shows relationships between family members and indicates which individuals have certain genetic pathogenic variants, traits, and diseases within a family as well as vital status. A pedigree can be used to determine disease inheritance patterns within a family. What does what is Read more…