Why Guns Recoil and Rockets Work in Space
One rule explains a kicking rifle, a rocket in empty space and a boat that slides away when you jump. Here is conservation of momentum, worked through six everyday examples.
Top stories
How to Spot Fake and Paid Movie Reviews
Scores on review sites and YouTube can be pushed up by paid critics or dragged down by review bombing. Here are the warning signs, and how the big sites try to stop it.
Humanoid Robots in 2026: Which Ones Are Actually Working in Factories?
Plenty of humanoid robots look impressive in videos. Far fewer have done real, paid work. Here is what each company has actually shown, with the numbers behind it.
Physics
Is Centrifugal Force Real? It Depends Where You Stand
You feel thrown outward on a sharp turn, yet physics teachers say there is no outward force. Both are right, depending on where you watch from. Here is the plain explanation.
Mathematics
The Algebra Mistakes That Cost Students the Most Marks
Ancient World
How the Maya Predicted Eclipses Without Telescopes
Law
Why Most Bills Never Become Law
Social Media
Organic vs Paid Social Media: A Break-Even Calculation for Small Businesses
How the UN Security Council Actually Makes Decisions
Fifteen countries, five permanent seats and a veto used 320 times. A plain guide to how the world's most powerful diplomatic body works, with the latest 2026 figures.
What a Coalition Government Is, and Why It Can Be Fragile
When no party wins a majority, parties must share power. Germany and the Netherlands show how coalitions form, how long talks can take and why they sometimes fall apart.
What Interest Rate Decisions Mean for Your Household
Central banks are raising rates again in 2026 as energy prices push up inflation. Here is how their decisions reach your mortgage, savings, loans and shopping bill.
What Actually Backs a Stablecoin? How to Read the Reserve Reports
A stablecoin is only as safe as the money behind it. Here is what the two biggest stablecoins say they hold, what their reports really prove, and the warning signs to look for.
What Happens When You Type a Web Address
In the second before a page appears, your device asks for directions, checks the website's identity and downloads dozens of files. Here is the journey, step by step.
Organic vs Paid Social Media: A Break-Even Calculation for Small Businesses
Free posts are not free: they cost your time. This simple break-even method, using 2026 benchmark data, shows when organic social media beats paid ads for a small business, and when it does not.
Watts, Joules and Your Electricity Bill, Explained Simply
Your electricity bill is a physics lesson in disguise. Learn what watts, joules and kilowatt-hours mean, and work out what each appliance really costs you.
How Long Should You Rest Between Workouts? What the Research Says
Rest is when your body actually gets stronger. Here is what research says about rest days, rest between sets and the signs you need a break, in plain language.
How the Maya Predicted Eclipses Without Telescopes
A table in the Dresden Codex let Maya astronomers predict solar eclipses for centuries. A 2025 study explains how it was built and how they kept it accurate.
How to Spot Fake and Paid Movie Reviews
Scores on review sites and YouTube can be pushed up by paid critics or dragged down by review bombing. Here are the warning signs, and how the big sites try to stop it.