Tagged: fluid flow

Sucking up Spaghetti - Physics Stop

Marcus Wilson • Sep 26, 2018 •

• drag,
• drag coefficient,
• fluid flow,
• vacuum cleaner

No. I’m not talking about 6-year-old boys sticking one end in their mouth and sucking.  I’m talking about vacuuming-up old bits of uncooked spaghetti on the kitchen floor. So, on taking the vacuum cleaner over the kitchen floor at the weekend, I could see that there were a few broken strands of uncooked spaghetti to clean up, along with the … Read More

Sycamore seeds and wind turbines - Physics Stop

Marcus Wilson • Jul 18, 2017 •

• betz limit,
• Electricity Generation,
• fluid flow,
• physics,
• Science,
• sycamore seeds,
• wind turbines

At the recent NZ Institute of Physics conference in Dunedin we heard about a wide range of different physics topics -measuring electrical forces; atomic frequency combs; why a highly gendered physics class is not a good thing and measuring forces with your phone. One very simple but thought-provoking presentation was by Tim Molteno — on sycamore seeds and their properties … Read More