18
POPSSouth American Pyramids were musical instruments? more: To investigate further, Jorge Cruz of the Professional School of Mechanical and Electrical Engineering in Mexico City and Nico Declercq of the Georgia Institute of Technology compared the frequency of sounds made by people walking up El Castillo with those made at the solid, uneven-stepped Moon Pyramid at Teotihuacan in central Mexico. At each pyramid, they measured the sounds they heard near the base of the pyramid when a student was climbing higher up. Remarkably similar raindrop noises, of similar frequency, were recorded at both pyramids, suggesting that rather than being caused by El Castillo being hollow, the noise is probably caused by sound waves travelling through the steps hitting a corrugated surface, and being diffracted, causing the particular raindrop sound waves to propagate down along the stairs (Acta Acustica united with Acustica, DOI: 10.3813/AAA.918216).
5
POPS"New Species Discovered in Midst of 6th Mass Extinction" more (at source): In addition are the known species that we’ve managed to directly or indirectly annihilate, like the Yangtze river dolphin (image above), declared functionally extinct two years ago, or the dusky seaside sparrow, which gave its last flutter in 1987. Experts say that at least half of the world’s current species will be completely gone by the end of the century. Most biologists say that we are in the midst of an anthropogenic mass extinction. Numerous scientific studies confirm that this phenomenon is real and happening right now. Should anyone really care? Will it impact individuals on a personal level? Scientists say, “Yes!
20
POPSAre There Alien UFO Bases On The Moon? Proponents of the theory that a UFO base does indeed lie on the dark side of the moon point to the fact that a large proportion of images taken by satellites of the moon’s surface are highly classified. They argue that it is hard to imagine what could lie on the surface of a totally barren moon that could be of such need of secrecy? I luuuuv stuff like this! .:p
9
POPS-Are Humans Destroying the Planet's Web of Life? Very sobering, disturbing article. Just put global climate disruption aside and think about what we humans are doin to the life in the oceans and the air and land, the forests, the over fertilizing, the plastics...it's abominable and has to be changed or we die.
3
POPSLimitless Compassion There are countless stories in the Buddhist scriptures about the expression of limitless compassion. None expresses this better than the following story from the Zen tradition.
2
POPSwhen worlds get hit it occurs to me that a large planet buster would have sufficient "trailings" to take out the moon if it were near enough to the point of intrusion.
1
Pops
Newest Clips
Latest Comments
Most Pops
Print
Save
Turn on live update