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Notice the regular grid like texture of the shadow cast by the tree above me. compare that with my solid shadow. It is a maple tree, and its leaves are shaped nighing like this texture. Any ideas? Heres the tree and the streetlamp casting the shadow: submitted by /u/ThumpinGlassDrops |
The Nobel Prizes are arguably the world’s most prestigious recognition anyone can receive for their work in the sciences, medicine, literature, or for world peace. For most winners, getting the call to tell them they won marks the high point of their lives. Note that I said most. Not all are so joyful. Some just don’t…
In most materials, the way heat is absorbed and the way it is emitted are inseparable. If a surface absorbs heat efficiently from a particular direction or wavelength, it also emits heat the same way. This long established principle, known as reciprocity, has made it difficult for scientists to independently control how thermal energy enters…
Voyager 1 has been on an incredible journey that’s defied all expectations. And it’s about to achieve yet another milestone. The small car-sized spacecraft was the first human-made object to enter interstellar space, and for almost 50 years it’s been hurtling away from Earth at 61,100 kilometers (38,000 miles) per hour. Crazily, in all that…
I live In the UK and in my job we use droplets of Silver Nitrate to test for presence of salt water in which case the droplet turns a milky white. I had a small dropper bottle amongst my work equipment I brought home. My elderly mother thought it must have been something like olbas…
Red, white, and blue stars glitter like a sparkler being waved on a dark night in this new image from NASA’s Hubble Space Telescope. NASA released this image to celebrate the United States’ 250th anniversary, as the agency carries forward America’s legacy of exploration. Located in the outer halo of our Milky Way galaxy, globular…
Though it has weakened to a severe tropical storm, it still presents a risk because of the huge volume of moisture within its rain bands. The storm is expected to gradually diminish in its intensity as it moves north-west. On Sunday morning, the centre of the typhoon reached Hangzhou City in Zhejiang province, Chinese state…
