The prize-winning researchers who discovered why white-haired horses are the most horsefly-proof horses has now probed a classic mystery about zebra stripes. They published this report: “Experimental Evidence That Stripes Do Not Cool Zebras,” Gábor Horváth, Ádám Pereszlényi, Dénes Száz, András Barta, Imre M. Jánosi, Balázs Gerics, and Susanne Åkesson, Scentific Reports, vol. 8, no. 9351, 2018. […]
Tag: light
Associations : LED street-lighting and breast cancer (new study)
Some things might help in preventing cancer. Some things might be found to be causing cancer. And yet other things might be ‘associated’ with cancer – that’s to say they might occur along with rising cancer rates, and yet may, or may not, be a cause. For example, could there be a previously overlooked statistical […]
The ‘Singing Cymbal’ controversy
The photo above is a still from a CERN teaching resources video (2014). “Use a cymbal or metallic plate that can vibrate freely. Use a flash, for example from a camera, hold it close to the plate and flash. You will hear a low tone. Physics: The moment of the photons are transferred in an […]
Obsessing about light, in a song
If you obsess about light, as many obsessive people do, and as many people who are fascinated by light do, and if you are prone to break into song and then explain without singing what you have just sung about, you might find yourself singing a song such as Sabine Hossenfelder sings here, and then […]