People stand in front a large aquarium. Fishes and sharks swim in it.

Middelbareschoolniveau, Natuurkunde, Werkcollege

Waarom is glas doorzichtig?

Als alle dingen uit moleculen bestaan, waarom kan licht door sommige dingen heenschijnen? Waarom is glas doorzichtig? Lees verder Waarom is glas doorzichtig?

<img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' src='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' class='avatar avatar-20 photo' height='20' width='20' decoding='async' />

KJ Runia2020-09-212020-09-22

Middelbareschoolniveau, Natuurkunde, Werkcollege

De betekenis van E=mc²

De wereldberoemde vergelijking is misschien niet wat je denkt. Massa converteert niet naar energie. Het is ook niet volledig: de vergelijking is langer. Lees verder De betekenis van E=mc²

<img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' src='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' class='avatar avatar-20 photo' height='20' width='20' decoding='async' />

KJ Runia2019-09-062020-09-30

Middelbareschoolniveau, Natuurkunde, Werkcollege

Regenbogen: Alexanders band

De band tussen de primaire en de secundaire regenboog is donker. Het gebied onder de primaire regenboog is licht. We bespreken Alexanders band. Lees verder Regenbogen: Alexanders band

<img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' src='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' class='avatar avatar-20 photo' height='20' width='20' decoding='async' />

KJ Runia2019-08-132020-07-02

Middelbareschoolniveau, Natuurkunde, Werkcollege

Maar even tussendoor: hoe werkt een polaroid zonnebril eigenlijk?

We bespreken kort hoe een polaroid zonnebril eigenlijk werkt, kwantumvelden, piloten en 3D-films. Lees verder Maar even tussendoor: hoe werkt een polaroid zonnebril eigenlijk?

<img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' data-srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' height='20' width='20' decoding='async' data-src="https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g" class="avatar avatar-20 photo lazyload" src="data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==" /><noscript><img data-lazy-fallback="1" alt='' src='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=20&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/cbcecb45c5c7e8996a2629dfe722f31c?s=40&d=mm&r=g 2x' class='avatar avatar-20 photo' height='20' width='20' decoding='async' />

KJ Runia2019-08-022020-07-02