All firecrackers use a similar formula — a mix of fuel, oxidisers, and binders to create light, sound, and colour. What sets green crackers apart is their altered chemical makeup.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. Pete Rathburn is ...

Enjoying the outdoors carries the danger of running into nature’s less-friendly side: toxic plants and animals. As toxicologists at the University of Virginia’s Blue Ridge Poison Center, we see many ...

Imagine you’re filling up 100 bags of coffee. You’re using beans from a few different providers — 10 percent of the beans they sent you are decaffeinated and the rest are caffeinated. However, you ...

Caffeine’s stimulating effects can mimic anxiety symptoms, especially in those prone to panic disorder or social anxiety. Abruptly stopping caffeine intake can cause withdrawal symptoms like headaches ...

Fifty years after Monty Python and the Holy Grail redefined comedy, stars Michael Palin and Terry Gilliam look back on the freedoms – and limitations – that shaped the film. An independent British ...

Before handing out the balancing equations worksheets, use this extensive PowerPoint from science teacher Daniel Harvey to effectively teach students how to balance chemical equations… Think of all ...