This video is a tribute to the life and legacy of legendary comedian Bob Hope. The video highlights key moments in his career, such as his successful radio show, hosting the Oscars, and his enduring popularity on television. It also...

"The Oregon Trail was a vital route that facilitated the westward expansion of the United States in the 1800s. Over 400,000 pioneers embarked on this treacherous journey, facing challenges such as crossing rivers, rugged terrains, and...

Experience the wonders of the Sherbourne Missal, a rare 15th-century prayer book, through the innovative Turning the Pages program by the British Library. This digital facsimile allows you to virtually turn the pages of the ancient...

A supernova is a spectacular explosion of a star that leads to the creation of a new star, enriching the surrounding space with elements like hydrogen and helium. This cosmic event, among the brightest stellar explosions ever observed,...

The world's first Windows-powered smartphone, developed by Orange and Microsoft, offers users a simpler and easier-to-use mobile experience with access to a wide range of services. With the Windows system, e-mail, instant messaging, and...

Scientists at the German University of Tribune have discovered the fossil of a giant Guinea pig, known as Fabermus pedestoni, that lived 8 million years ago in Venezuela. This massive rodent weighed around 700 kilograms, making it the...

This video discusses the importance of unsprung masses in vehicles and their impact on suspension systems. It explains how lighter unsprung masses, such as wheels and braking gear, can improve a vehicle's handling and performance. The...

Learn about the exoplanet 51 Pegasi b aka Dimidium with this planet song by KLT!

Meet Victoria, a fun-loving child who misplaces her voice and sense of self-worth when she loses her hair - a result of living with alopecia. Follow along as Victoria finds her voice and learns to embrace and love every unique part of...

Celebrated physicists Nobel Laureate Tony Leggett (University of Illinois), Freeman Dyson (Institute for Advanced Study), Paul Steinhardt (Princeton University), Michael Gordin (Princeton University) share their intriguing perspectives...

In this video you'll learn:

- How speed and mass affect kinetic e
nergy
- How to use the kinetic energy

equation />
General info:
- You need to memorise the equ
ation for kinetic energy
- Suitable f

or...

This videos covers:

- What gravi
ty is
- What the strength of gravity
depends on
- How to ca
lculate weight
- How to calculate gravitation

al potential
energy

General info:
- You need to...

A tornado forms when there is a hot layer of atmospheric air that is covered by a relatively cold, dry bank of air above. When the warm air at the bottom of the atmosphere rises (due to its temperature), it pushes up on the cold air...

Light is affected by black holes because of the theory of general relativity, which states that any massive object warps the spacetime around it. Since a photon travels by the shortest distance between two points, light appears to bend...

In this video we cover:

- How to calculate an object's mom
entum
- The concept that applying a force to an object changes it
s momentum
- How to calculate a change in momentum using the equatio
n 'F=(mv-mu)/t'
-...

This video covers: - What nuclear fusion is - The conditions required for nuclear fusion - How it's different from nuclear fission General info: - Suitable for all GCSE and IGCSE courses - See below for whether it is higher or foundation...

This video covers: - What alpha, beta and gamma radiation are - How to write decay equations for them General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers - Suitable for triple and combined...

This video covers: - Newton's first law - Newton's second law - F=ma equation - The idea of circular motion - Inertia and inertial mass General info: - Suitable for all GCSE and IGCSE courses - See below for whether it is higher or...

This video covers: - Newton's third law - How it relates to the F=ma equation - The idea that the smaller mass is the one more likely to move General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation...

This video covers: - What momentum is - How to calculate the momentum of an object - The idea that momentum is a vector quantity - What 'the conservation of momentum principle' is - A worked example of how you can use the conservation of...

This video covers:

- The concept of terminal resist
ance
- What affects air r
esistance
- The link between resultant force an

d acceleratio
n

General info:
- Suitable f
or all GCSE and IGCSE courses...

Whether we look at the mass, Mr or number of atoms, the mass is always conserved in chemical reactions. However, it may sometimes appear as if the mass changes if some of our reactants or products are gases. We can fix this problem...

This video covers:

- The idea that biomass is just the mass of living organ
isms
- Pyramids of biomass show the amount of biomass at each trophic level of a
food chain
- Why the amount of biomass decreases as you...

This video covers

- The concept of den
sity
- The equation for density and how
to use it
- How to measu
re density for:

- Regular solids
> - Irregul

ar solids /> - Liquids...