ScienceDaily: Strange Science News |
- 'Spring-mass' technology heralds the future of walking robots
- Sonic tractor beam moves stuff with sound
- Why Earth is so much bigger than Mars: Rocky planets formed from 'pebbles'
- May the Fifth Force be with you
- Physics of booming and burping sand dunes revealed
- Female insects more promiscuous in colder climates, says study
| 'Spring-mass' technology heralds the future of walking robots Posted: 27 Oct 2015 10:29 AM PDT A new study suggests that researchers have achieved the most realistic robotic implementation of human walking dynamics that has ever been done, which may ultimately allow human-like versatility and performance. The work opens the door for robots to be more fully integrated into our daily lives. |
| Sonic tractor beam moves stuff with sound Posted: 27 Oct 2015 10:28 AM PDT Scientists have built a novel sonic tractor beam that can lift and move objects using sound waves. High-amplitude sound waves are used to generate an acoustic hologram which can pick up and move small objects. |
| Why Earth is so much bigger than Mars: Rocky planets formed from 'pebbles' Posted: 27 Oct 2015 09:40 AM PDT Using a new process in planetary formation modeling, where planets grow from tiny bodies called 'pebbles,' scientists can explain why Mars is so much smaller than Earth. This same process also explains the rapid formation of the gas giants Jupiter and Saturn, as reported earlier this year. |
| May the Fifth Force be with you Posted: 27 Oct 2015 09:39 AM PDT Discovering possible new forces in nature is no mean task. The discovery of gravity linked to Newton's arguably apocryphal apple experiment has remained anchored in popular culture. In a new article a researcher gives a personal account of how the existence of the gravity-style fifth force has stimulated an unprecedented amount of research in gravitational physics -- even though its existence has not been confirmed by experiment. |
| Physics of booming and burping sand dunes revealed Posted: 27 Oct 2015 09:31 AM PDT Avalanching sand from dune faces can trigger loud, rumbling 'booming' or short bursts of 'burping' sounds -- behaving as a perfectly tuned musical instrument. This sound is persistent and the dunes 'sing' in frequencies ranging from 70 to 105 Hertz, with higher harmonics. Researchers discovered that the 'booming' and 'burping' correspond to the transmission of a class of different waves within the dune. |
| Female insects more promiscuous in colder climates, says study Posted: 26 Oct 2015 08:19 AM PDT Females have more sexual partners when they live in colder climates and are happier being monogamous when it is hotter, a study into the behavior of insects has found. Researchers also found that some female fruit flies are genetically programmed to have a large number of mates and will do so whatever the weather, while others will consistently stick to one mate. |
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