Technology questions This is a list of recently added questions about technology. Play technology quiz and see all the questions. How can you cut a diamond?Using a diamond. Diamond is a hardest substance in the world and hence as a very strong bonding between the atoms. hence it can be cut only by using a diamond Created by: Shruthi Srinivasanvery easy 80% using a knifeusing a knife6using a diamondusing a diamond322using goldusing gold13using a gasusing a gas58materials riddles » Which numeral system was in use in ancient Sumer and Babilon?Sexagesimal. Remnants of highly composite sexagesimal system are in use even today for measuring angles, geographic coordinates and especially time. An hour of time is divided into 60 minutes, which in turn are divided into 60 seconds. Created by: smyruvery hard 32% octaloctal1967binarybinary1791decimaldecimal2352sexagesimalsexagesimal2909numbers riddles » Mars colonisation is a hype topic. What is the biggest threat for those wishing to take a part in a journey to Mars?Cosmic rays. The only efficient protection against high energetic cosmic radiation, one we are granted with, is Earth magnetic field. Both during a long flight to Mars and through the stay on the planet, that did not form electromagnetic field, astronauts would be exposed to ionization. Created by: smyruhard 46% low temperatureslow temperatures1168lack of oxygenlack of oxygen3268poor gravitypoor gravity915cosmic rayscosmic rays4723planets riddles » The closest star to Sun is Proxima Centauri. In which direction we would need to look to see it on the night sky?It is not visible at all. Proxima Centauri is a red dwarf and its average brightness is very low. That is why even though it is closest to Sun, it was discovered not until in 1915.Created by: Ineshard 51% Great BearGreat Bear1052SiriusSirius1203CassiopeiaCassiopeia736it is not visible at allit is not visible at all3114stars riddles » What is the Greek name for amber?Elektron. Words like "electricity" come directly from the name of amber. Already the ancient Greeks noticed that this stone has a certain mysterious property: when rubbed with fur, it begins to attract particles of dust...Created by: Marta_Smolarekhard 44% particlonparticlon605elektronelektron2173amberionamberion1332atomiosatomios807gemstones riddles » Maria Skłodowska-Curie was committed to her job. Did she have any children?Her daughter was awarded the Nobel Prize. Her first daughter, Irene, decided to follow her mother's life path and received the Nobel Prize in chemistry in 1935. Her second daughter, Eva, a writer and politician, was known as the "First Lady of UNICEF". She was also nominated for the Pulitzer Prize in 1944.Created by: naypaxhard 58% She didn't want to and thus didn't have children.She didn't want to and thus didn't have children.2174She was sterile as a result of the radiation.She was sterile as a result of the radiation.1735Her daughter was awarded the Nobel Prize.Her daughter was awarded the Nobel Prize.8596Her sole daughter died at the age of 2.Her sole daughter died at the age of 2.2231scientists riddles » Which supercar is not a hybrid vehicle?Bugatti Veyron has a W16 petrol engine (8,0L, 1001KM). The other cars are equipped with both gasoline and electric engines.Created by: Niezgodnahard 51% Ferrari LaFerrariFerrari LaFerrari659Bugatti VeyronBugatti Veyron1858Porsche 918 SpyderPorsche 918 Spyder554McLaren P1McLaren P1559cars riddles » What is dry ice?Solidified CO2. Dry ice is used in refrigeration. It has an interesting property: it maintains a constant temperature of -78.5C in a warmer environment. This is because dry ice does not melt and sublimes directly into the gaseous form.Created by: Niezgodnavery easy 92% glacierglacier352solidified CO2solidified CO29506legendary alchemical substancelegendary alchemical substance234meringue dessertmeringue dessert164ice riddles » Which car manufacturer puts the ignition switch between seats?Saab started mounting ignition switch next to gearbox in 1969. The objective was to eliminate severe knee injuries during accidents. Created by: Przemekaverage 60% SaabSaab3561VolvoVolvo628LanciaLancia638LexusLexus1060cars riddles » Who was the first man to leave the spacecraft in space?Alexey Arkhipovich Leonov was a Soviet astronaut, general major pilot and two-time Hero of the Soviet Union. On 18 March 1965, he became the first human to conduct extra-vehicular activity, exiting the capsule during the Voskhod 2 mission for a 12-minute spacewalk.Created by: Paweł Kołodziejczykhard 43% Neil Alden ArmstrongNeil Alden Armstrong923Edwin Eugene Buzz Aldrin, Jr.Edwin Eugene Buzz Aldrin, Jr.364Alexey Arkhipovich LeonovAlexey Arkhipovich Leonov1951Yuri Alekseyevich GagarinYuri Alekseyevich Gagarin1263Soviet Union riddles » Play technology quiz and see all the questions.